Average thermal transmittance 0.17 W/m??K|Trawsyriannedd thermol cyfartalog 0.17 W/m??K

Average thermal transmittance 0.19 W/m??K|Trawsyriannedd thermol cyfartalog 0.19 W/m??K

Average thermal transmittance 0.12 W/m??K|Trawsyriannedd thermol cyfartalog 0.12 W/m??K

Average thermal transmittance 0.25 W/m??K|Trawsyriannedd thermol cyfartalog 0.25 W/m??K

Average thermal transmittance 0.15 W/m??K|Trawsyriannedd thermol cyfartalog 0.15 W/m??K

Average thermal transmittance 0.21 W/m??K|Trawsyriannedd thermol cyfartalog 0.21 W/m??K

Average thermal transmittance 0.20 W/m??K|Trawsyriannedd thermol cyfartalog 0.20 W/m??K

Average thermal transmittance 0.18 W/m??K|Trawsyriannedd thermol cyfartalog 0.18 W/m??K

Average thermal transmittance 0.14 W/m??K|Trawsyriannedd thermol cyfartalog 0.14 W/m??K

Average thermal transmittance 0.70 W/m??K|Trawsyriannedd thermol cyfartalog 0.70 W/m??K

Average thermal transmittance 0.11 W/m?K|Trawsyriannedd thermol cyfartalog 0.11 W/m?K

Average thermal transmittance 0.16 W/m??K|Trawsyriannedd thermol cyfartalog 0.16 W/m??K

Average thermal transmittance 0.22 W/m??K|Trawsyriannedd thermol cyfartalog 0.22 W/m??K

Average thermal transmittance 0.36 W/m??K|Trawsyriannedd thermol cyfartalog 0.36 W/m??K

Average thermal transmittance 0.12 W/m?K|Trawsyriannedd thermol cyfartalog 0.12 W/m?K

Average thermal transmittance 0.41 W/m??K|Trawsyriannedd thermol cyfartalog 0.41 W/m??K

Average thermal transmittance 0.58 W/m??K|Trawsyriannedd thermol cyfartalog 0.58 W/m??K

Average thermal transmittance 0.24 W/m??K|Trawsyriannedd thermol cyfartalog 0.24 W/m??K

Average thermal transmittance 0.23 W/m??K|Trawsyriannedd thermol cyfartalog 0.23 W/m??K

Electric heat pump for water heating only, no cylinder thermostat

No system present?electric immersion assumed, no cylinder thermostat

No system present electric immersion assumed, no cylinder thermostat

Electric heat pump for water heating only, waste water heat recovery

From main system, plus solar, no cylinder thermostat, flue gas heat recovery

From main system, flue gas heat recovery, waste water heat recovery

Electric immersion, off-peak, no cylinder thermostat, plus solar

From main system, no cylinder thermostat, waste water heat recovery

From main system, waste water heat recovery, no cylinder thermostat

Electric instantaneous at point of use, waste water heat recovery

No hot water system present - electric immersion assumed, plus solar

No hot water system present - electric immersion assumed, waste water heat recovery

From main system, plus solar, no cylinder thermostat, waste water heat recovery

Electric immersion, off-peak, plus solar, waste water heat recovery

Electric heat pump for water heating only, plus solar, no cylinder thermostat

From hot-water only community scheme - boilers, flue gas heat recovery

From hot-water only community scheme - boilers, waste water heat recovery

From main system, plus solar, flue gas heat recovery, waste water heat recovery

Solid fuel boiler/circulator, plus solar, no cylinder thermostat

Electric immersion, standard tariff, plus solar, flue gas heat recovery

Electric immersion, standard tariff, flue gas heat recovery, waste water heat recovery

From main system, no cylinder thermostat, flue gas heat recovery

No system present: electric immersion assumed, no cylinder thermostat

Electric immersion, standard tariff, plus solar, waste water heat recovery

Electric immersion, standard tariff, waste water heat recovery, no cylinder thermostat

Solid fuel boiler/circulator, no cylinder thermostat, plus solar

From main system, no cylinder thermostat, flue gas heat recovery, waste water heat recovery

Electric instantaneous at point of use |Trydan ar unwaith yn y fan lle mae'n cael ei ddefnyddio

Electric instantaneous at point of use |trydan ar unwaith yn y fan lle mae'n cael ei ddefnyddio

Multi-point gas water heater (instantaneous serving several taps), flue gas heat recovery

Multi-point gas water heater instantaneous serving several taps , flue gas heat recovery

Electric immersion, standard tariff |Twymwr tanddwr, tarriff safonol

Electric immersion, standard tariff |twymwr tanddwr, tarriff safonol

Electric immersion, standard tariff, plus solar, no cylinder thermostat

Multi-point gas water heater (instantaneous serving several taps), plus solar

Multi-point gas water heater instantaneous serving several taps , plus solar

From main system, flue gas heat recovery, no cylinder thermostat

From main system, waste water heat recovery, flue gas heat recovery

No system present: electric immersion assumed, flue gas heat recovery

No system present electric immersion assumed, flue gas heat recovery

OGÇÖr brif system, dim thermostat ar y silindr, adfer gwres nwyon ffliw

Electric heat pump for water heating only, flue gas heat recovery

From second main heating system, flue gas heat recovery, waste water heat recovery

From second main heating system, plus solar, waste water heat recovery

From main system, plus solar, waste water heat recovery, flue gas heat recovery

Gas boiler/circulator, no cylinder thermostat, flue gas heat recovery

Electric immersion, off-peak, waste water heat recovery, no cylinder thermostat

Trydan ar unwaith yn y fan lle maeGÇÖn cael ei ddefnyddio, adfer gwres d+¦r gwastraff

From main system, flue gas heat recovery, plus solar, waste water heat recovery

Electric immersion, off-peak, flue gas heat recovery, waste water heat recovery

mains gas - this is for backwards compatibility only and should not be used

Mains gas this is for backwards compatibility only and should not be used

LPG - this is for backwards compatibility only and should not be used

Lpg this is for backwards compatibility only and should not be used

oil - this is for backwards compatibility only and should not be used

Oil this is for backwards compatibility only and should not be used

electricity - this is for backwards compatibility only and should not be used

Electricity this is for backwards compatibility only and should not be used

house coal - this is for backwards compatibility only and should not be used

House coal this is for backwards compatibility only and should not be used

To be used only when there is no heating/hot-water system or data is from a community network

To be used only when there is no heatinghotwater system or data is from a community network

Solid fuel: wood pellets (bulk supply in bags, for main heating)

waste combustion - this is for backwards compatibility only and should not be used

Waste combustion this is for backwards compatibility only and should not be used

heat from boilers using biodiesel from any biomass source (community)

Heat from boilers using biodiesel from any biomass source community

biomass - this is for backwards compatibility only and should not be used

Biomass this is for backwards compatibility only and should not be used

heat from boilers that can use mineral oil or biodiesel (community)

Heat from boilers that can use mineral oil or biodiesel community

biogas - landfill - this is for backwards compatibility only and should not be used

Biogas landfill this is for backwards compatibility only and should not be used

Boiler and underfloor heating, mains gas, Boiler and radiators, mains gas

Boiler and underfloor heating, mains gas, boiler and radiators, mains gas

Boiler and radiators, oil, Boiler and underfloor heating, electric

Boiler and radiators, oil, boiler and underfloor heating, electric

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric

Air source heat pump, underfloor heating, pipes in screed above insulation, electric

Ground source heat pump, underfloor, electric, Ground source heat pump, radiators, electric

Ground source heat pump, underfloor, electric, ground source heat pump, radiators, electric

Boiler and radiators, dual fuel (mineral and wood), Electric storage heaters

Boiler and radiators, dual fuel mineral and wood , electric storage heaters

Boiler and radiators, mains gas, Boiler and radiators, mains gas

Boiler and radiators, mains gas, boiler and radiators, mains gas

Air source heat pump, underfloor, electric, Air source heat pump, radiators, electric

Air source heat pump, underfloor, electric, air source heat pump, radiators, electric

Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas

Boiler and radiators, mains gas, boiler and underfloor heating, mains gas

Ground source heat pump, underfloor, electric, Electric storage heaters

Ground source heat pump, underfloor, electric, electric storage heaters

Air source heat pump, underfloor, electric, Boiler and underfloor heating, mains gas

Air source heat pump, underfloor, electric, boiler and underfloor heating, mains gas

Air source heat pump, radiators, electric, Boiler and radiators, oil

Air source heat pump, radiators, electric, boiler and radiators, oil

Boiler and radiators, oil, Boiler and radiators, dual fuel (mineral and wood)

Boiler and radiators, oil, boiler and radiators, dual fuel mineral and wood

Air source heat pump, Underfloor heating and radiators, pipes in insulated timber floor, electric

Air source heat pump, underfloor heating and radiators, pipes in insulated timber floor, electric

Ground source heat pump, radiators, electric, Boiler and radiators, mains gas

Ground source heat pump, radiators, electric, boiler and radiators, mains gas

Ground source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric

Ground source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric

Air source heat pump, underfloor, electric, Air source heat pump, underfloor, electric

Air source heat pump, underfloor, electric, air source heat pump, underfloor, electric

Air source heat pump, Underfloor heating, pipes in concrete slab, electric

Air source heat pump, underfloor heating, pipes in concrete slab, electric

Boiler and underfloor heating, electric, Boiler and radiators, electric

Boiler and underfloor heating, electric, boiler and radiators, electric

Boiler and radiators, dual fuel (mineral and wood), Room heaters, electric

Boiler and radiators, dual fuel mineral and wood , room heaters, electric

Room heaters, mains gas, Room heaters, dual fuel (mineral and wood)

Room heaters, mains gas, room heaters, dual fuel mineral and wood

Electric storage heaters, Boiler and radiators, dual fuel (mineral and wood)

Electric storage heaters, boiler and radiators, dual fuel mineral and wood

Boiler and radiators, mains gas, Boiler and radiators, anthracite

Boiler and radiators, mains gas, boiler and radiators, anthracite

Room heaters, dual fuel (mineral and wood), Room heaters, electric

Room heaters, dual fuel mineral and wood , room heaters, electric

Air source heat pump, underfloor, electric, Boiler and radiators, mains gas

Air source heat pump, underfloor, electric, boiler and radiators, mains gas

Boiler and radiators, wood pellets, Boiler and underfloor heating, wood pellets

Boiler and radiators, wood pellets, boiler and underfloor heating, wood pellets

Air source heat pump, radiators, electric, Air source heat pump, underfloor, electric

Air source heat pump, radiators, electric, air source heat pump, underfloor, electric

Boiler and underfloor heating, oil, Boiler and underfloor heating, oil

Boiler and underfloor heating, oil, boiler and underfloor heating, oil

Boiler and underfloor heating, LPG, Boiler and underfloor heating, LPG

Boiler and underfloor heating, lpg, boiler and underfloor heating, lpg

Boiler and radiators, mains gas, Boiler and radiators, dual fuel (mineral and wood)

Boiler and radiators, mains gas, boiler and radiators, dual fuel mineral and wood

Air source heat pump, Underfloor heating, pipes in insulated timber floor, electric

Air source heat pump, underfloor heating, pipes in insulated timber floor, electric

Air source heat pump, radiators, electric, Boiler and radiators, mains gas

Air source heat pump, radiators, electric, boiler and radiators, mains gas

Room heaters, dual fuel (mineral and wood), Room heaters, dual fuel (mineral and wood)

Room heaters, dual fuel mineral and wood , room heaters, dual fuel mineral and wood

Ground source heat pump, Underfloor heating, pipes in screed above insulation, electric

Ground source heat pump, underfloor heating, pipes in screed above insulation, electric

Boiler and underfloor heating, mains gas, Boiler and underfloor heating, mains gas

Boiler and underfloor heating, mains gas, boiler and underfloor heating, mains gas

Boiler and radiators, |Bwyler a rheiddiaduron, |mains gas|nwy prif gyflenwad

Boiler and radiators, |bwyler a rheiddiaduron, |mains gas|nwy prif gyflenwad

Boiler and radiators, mains gas, Air source heat pump, warm air, electric

Boiler and radiators, mains gas, air source heat pump, warm air, electric

Boiler and underfloor heating, mains gas, Boiler and radiators, electric

Boiler and underfloor heating, mains gas, boiler and radiators, electric

Boiler and radiators, anthracite, Boiler and radiators, mains gas

Boiler and radiators, anthracite, boiler and radiators, mains gas

No system present: electric heaters assumed, Room heaters, electric

No system present, electric heaters assumed, room heaters, electric

Boiler and radiators, mains gas, Room heaters, dual fuel (mineral and wood)

Boiler and radiators, mains gas, room heaters, dual fuel mineral and wood

Boiler and underfloor heating, mains gas, Room heaters, electric

Boiler and underfloor heating, mains gas, room heaters, electric

Boiler and radiators, mains gas, Air source heat pump, radiators, electric

Boiler and radiators, mains gas, air source heat pump, radiators, electric

Ground source heat pump, Underfloor heating, pipes in insulated timber floor, electric

Ground source heat pump, underfloor heating, pipes in insulated timber floor, electric

Air source heat pump, radiators, electric, Boiler and radiators, wood pellets

Air source heat pump, radiators, electric, boiler and radiators, wood pellets

Air source heat pump, Underfloor heating and radiators, pipes in concrete slab, electric, Boiler And underfloor heating, oil

Air source heat pump, underfloor heating and radiators, pipes in concrete slab, electric, boiler and underfloor heating, oil

Electric storage heaters, Room heaters, dual fuel (mineral and wood)

Electric storage heaters, room heaters, dual fuel mineral and wood

Room heaters, electric, Room heaters, dual fuel (mineral and wood)

Room heaters, electric, room heaters, dual fuel mineral and wood

Air source heat pump, radiators, electric, Air source heat pump, radiators, electric

Air source heat pump, radiators, electric, air source heat pump, radiators, electric

Air source heat pump, underfloor, electric, Room heaters, dual fuel (mineral and wood)

Air source heat pump, underfloor, electric, room heaters, dual fuel mineral and wood

Room heaters, dual fuel (mineral and wood), Electric storage heaters

Room heaters, dual fuel mineral and wood , electric storage heaters

Air source heat pump, radiators, electric, Boiler and radiators, LPG

Air source heat pump, radiators, electric, boiler and radiators, lpg

Air source heat pump, radiators, electric, Boiler and radiators, electric

Air source heat pump, radiators, electric, boiler and radiators, electric

Ground source heat pump, Underfloor heating, pipes in screed above insulation, electric, Room heaters, wood logs

Ground source heat pump, underfloor heating, pipes in screed above insulation, electric, room heaters, wood logs

Air source heat pump, warm air, electric, Room heaters, electric

Air source heat pump, warm air, electric, room heaters, electric

Boiler and radiators, mains gas, Boiler and underfloor heating, oil

Boiler and radiators, mains gas, boiler and underfloor heating, oil

Boiler and radiators, dual fuel (mineral and wood), Boiler and radiators, LPG

Boiler and radiators, dual fuel mineral and wood , boiler and radiators, lpg

Boiler and radiators, mains gas, Air source heat pump, underfloor, electric

Boiler and radiators, mains gas, air source heat pump, underfloor, electric

Mixed exhaust air source heat pump, Underfloor heating, pipes in screed above insulation, electric

Mixed exhaust air source heat pump, underfloor heating, pipes in screed above insulation, electric

Mixed exhaust air source heat pump, Underfloor heating, pipes in insulated timber floor, electric

Mixed exhaust air source heat pump, underfloor heating, pipes in insulated timber floor, electric

Boiler and underfloor heating, mains gas, Air source heat pump, warm air, electric

Boiler and underfloor heating, mains gas, air source heat pump, warm air, electric

Air source heat pump, underfloor, electric, Water source heat pump, warm air, electric

Air source heat pump, underfloor, electric, water source heat pump, warm air, electric

Room heaters, dual fuel (mineral and wood), Boiler and radiators, electric

Room heaters, dual fuel mineral and wood , boiler and radiators, electric

Boiler and radiators, mains gas, Ground source heat pump, radiators, electric

Boiler and radiators, mains gas, ground source heat pump, radiators, electric

Air source heat pump, warm air, electric, Boiler and radiators, mains gas

Air source heat pump, warm air, electric, boiler and radiators, mains gas

Boiler & underfloor, mains gas, Boiler And underfloor heating, mains gas

Boiler & underfloor, mains gas, boiler and underfloor heating, mains gas

Air source heat pump, warm air, electric, Electric underfloor heating

Air source heat pump, warm air, electric, electric underfloor heating

Room heaters, dual fuel (mineral and wood), Room heaters, mains gas

Room heaters, dual fuel mineral and wood , room heaters, mains gas

Boiler and underfloor heating, mains gas, Air source heat pump, underfloor, electric

Boiler and underfloor heating, mains gas, air source heat pump, underfloor, electric

Air source heat pump, underfloor, electric, Air source heat pump, warm air, electric

Air source heat pump, underfloor, electric, air source heat pump, warm air, electric

Exhaust air MEV source heat pump, Systems with radiators, electric

Exhaust air mev source heat pump, systems with radiators, electric

Room heaters, electric, Air source heat pump, warm air, electric

Room heaters, electric, air source heat pump, warm air, electric

Boiler and radiators, electric, Boiler and underfloor heating, electric

Boiler and radiators, electric, boiler and underfloor heating, electric

Boiler and radiators, oil, Air source heat pump, warm air, electric

Boiler and radiators, oil, air source heat pump, warm air, electric

Ground source heat pump, underfloor, electric, Boiler and radiators, oil

Ground source heat pump, underfloor, electric, boiler and radiators, oil

Air source heat pump, underfloor, electric, Boiler and underfloor heating, electric

Air source heat pump, underfloor, electric, boiler and underfloor heating, electric

Boiler and radiators, dual fuel (mineral and wood), Boiler and radiators, oil

Boiler and radiators, dual fuel mineral and wood , boiler and radiators, oil

Ground source heat pump, radiators, electric, Ground source heat pump, underfloor, electric

Ground source heat pump, radiators, electric, ground source heat pump, underfloor, electric

Boiler and radiators, mains gas, Boiler and underfloor heating, electric

Boiler and radiators, mains gas, boiler and underfloor heating, electric

Ground source heat pump, Underfloor heating, pipes in concrete slab, electric

Ground source heat pump, underfloor heating, pipes in concrete slab, electric

Boiler and radiators, mains gas, Boiler and radiators, wood logs

Boiler and radiators, mains gas, boiler and radiators, wood logs

Air source heat pump, underfloor, electric, Boiler and radiators, oil

Air source heat pump, underfloor, electric, boiler and radiators, oil

Boiler and radiators, LPG, Boiler and radiators, dual fuel (mineral and wood)

Boiler and radiators, lpg, boiler and radiators, dual fuel mineral and wood

Boiler and underfloor heating, oil, Boiler and radiators, dual fuel (mineral and wood)

Boiler and underfloor heating, oil, boiler and radiators, dual fuel mineral and wood

Portable electric heaters assumed for most rooms, Room heaters, mains gas

Portable electric heaters assumed for most rooms, room heaters, mains gas

Boiler and radiators, mains gas, Boiler And radiators, mains gas

Ground source heat pump, radiators, electric, Ground source heat pump, radiators, electric

Ground source heat pump, radiators, electric, ground source heat pump, radiators, electric

Ground source heat pump, Underfloor heating and radiators, pipes in concrete slab, electric

Ground source heat pump, underfloor heating and radiators, pipes in concrete slab, electric

Boiler and underfloor heating, oil, Ground source heat pump, underfloor, electric

Boiler and underfloor heating, oil, ground source heat pump, underfloor, electric

Portable electric heaters assumed for most rooms, Room heaters, wood logs

Portable electric heaters assumed for most rooms, room heaters, wood logs

Boiler and radiators, mains gas, Ground source heat pump, underfloor, electric

Boiler and radiators, mains gas, ground source heat pump, underfloor, electric

Air source heat pump, Underfloor heating and radiators, pipes in concrete slab, electric

Air source heat pump, underfloor heating and radiators, pipes in concrete slab, electric

Boiler and underfloor heating, mains gas, Electric underfloor heating

Boiler and underfloor heating, mains gas, electric underfloor heating

Boiler and radiators, mains gas, Ground source heat pump, underfloor, mains gas

Boiler and radiators, mains gas, ground source heat pump, underfloor, mains gas

Electric storage heaters, Air source heat pump, warm air, electric

Electric storage heaters, air source heat pump, warm air, electric

Air source heat pump, radiators, electric, Boiler and underfloor heating, oil

Air source heat pump, radiators, electric, boiler and underfloor heating, oil

Air source heat pump, radiators, electric, Electric storage heaters

Air source heat pump, radiators, electric, electric storage heaters

Boiler and radiators, oil, Air source heat pump, radiators, electric

Boiler and radiators, oil, air source heat pump, radiators, electric

Air source heat pump, radiators, electric, Electric underfloor heating

Air source heat pump, radiators, electric, electric underfloor heating

Ground source heat pump, underfloor, electric, Boiler and radiators, mains gas

Ground source heat pump, underfloor, electric, boiler and radiators, mains gas

Room heaters, wood logs, Room heaters, dual fuel (mineral and wood)

Room heaters, wood logs, room heaters, dual fuel mineral and wood

Air source heat pump, underfloor, electric, Boiler and underfloor heating, oil

Air source heat pump, underfloor, electric, boiler and underfloor heating, oil

Room heaters, dual fuel (mineral and wood), Electric underfloor heating

Room heaters, dual fuel mineral and wood , electric underfloor heating

Electric underfloor heating, Boiler and underfloor heating, electric

Electric underfloor heating, boiler and underfloor heating, electric

Boiler and radiators, oil, Air source heat pump, underfloor, electric

Boiler and radiators, oil, air source heat pump, underfloor, electric

Room heaters, dual fuel (mineral and wood), Boiler and radiators, oil

Room heaters, dual fuel mineral and wood , boiler and radiators, oil

Air source heat pump, radiators, electric, Room heaters, electric

Air source heat pump, radiators, electric, room heaters, electric

Air source heat pump, underfloor, electric, Air source heat pump, fan coil units, electric

Air source heat pump, underfloor, electric, air source heat pump, fan coil units, electric

Boiler and radiators, wood chips, Boiler and radiators, mains gas

Boiler and radiators, wood chips, boiler and radiators, mains gas

Air source heat pump, warm air, electric, Electric ceiling heating

Air source heat pump, warm air, electric, electric ceiling heating

Air source heat pump, underfloor, electric, Room heaters, electric

Air source heat pump, underfloor, electric, room heaters, electric

Air source heat pump, underfloor, electric, Room heaters, wood logs

Air source heat pump, underfloor, electric, room heaters, wood logs

Air source heat pump, fan coil units, electric, Electric underfloor heating

Air source heat pump, fan coil units, electric, electric underfloor heating

Ground source heat pump, underfloor, electric, Boiler and radiators, wood pellets

Ground source heat pump, underfloor, electric, boiler and radiators, wood pellets

Boiler and underfloor heating, bottled LPG, Boiler and radiators, bottled LPG

Boiler and underfloor heating, bottled lpg, boiler and radiators, bottled lpg

Ground source heat pump, radiators, electric, Electric storage heaters

Ground source heat pump, radiators, electric, electric storage heaters

Ground source heat pump, underfloor, electric, Ground source heat pump, underfloor, electric

Ground source heat pump, underfloor, electric, ground source heat pump, underfloor, electric

Portable electric heaters assumed for most rooms, Room heaters, electric

Portable electric heaters assumed for most rooms, room heaters, electric

Boiler and radiators, LPG, Air source heat pump, radiators, electric

Boiler and radiators, lpg, air source heat pump, radiators, electric

Air source heat pump, warm air, electric, Boiler and radiators, LPG

Air source heat pump, warm air, electric, boiler and radiators, lpg

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric, Room heaters, wood logs

Air source heat pump, underfloor heating, pipes in screed above insulation, electric, room heaters, wood logs

Boiler and radiators, dual fuel (mineral and wood), Boiler and radiators, dual fuel (mineral and wood)

Boiler and radiators, dual fuel mineral and wood , boiler and radiators, dual fuel mineral and wood

Room heaters, electric, Ground source heat pump, underfloor, electric

Room heaters, electric, ground source heat pump, underfloor, electric

Boiler and radiators, dual fuel (mineral and wood), Boiler and radiators, coal

Boiler and radiators, dual fuel mineral and wood , boiler and radiators, coal

Boiler and radiators, electric, Air source heat pump, warm air, electric

Boiler and radiators, electric, air source heat pump, warm air, electric

Boiler and radiators, dual fuel (mineral and wood), Boiler and radiators, electric

Boiler and radiators, dual fuel mineral and wood , boiler and radiators, electric

Air source heat pump, underfloor, electric, Electric underfloor heating

Air source heat pump, underfloor, electric, electric underfloor heating

Boiler and underfloor heating, wood logs, Boiler and radiators, electric

Boiler and underfloor heating, wood logs, boiler and radiators, electric

Ground source heat pump, radiators, electric, Boiler and radiators, coal

Ground source heat pump, radiators, electric, boiler and radiators, coal

Electric underfloor heating, Boiler and radiators, dual fuel (mineral and wood)

Electric underfloor heating, boiler and radiators, dual fuel mineral and wood

Boiler and radiators, oil, Room heaters, dual fuel (mineral and wood)

Boiler and radiators, oil, room heaters, dual fuel mineral and wood

Air source heat pump, |Pwmp gwres sy'n tarddu yn yr awyr, |, radiators, |, rheiddiaduron, |electric|trydan

Air source heat pump, |pwmp gwres sy'n tarddu yn yr awyr, |, radiators, |, rheiddiaduron, |electric|trydan

Air source heat pump, radiators, electric, Air source heat pump, warm air, electric

Air source heat pump, radiators, electric, air source heat pump, warm air, electric

Boiler and radiators, dual fuel (mineral and wood), Electric underfloor heating

Boiler and radiators, dual fuel mineral and wood , electric underfloor heating

Air source heat pump , electric, Electric underfloor heating, underfloor, electric

Air source heat pump , electric, electric underfloor heating, underfloor, electric

Air source heat pump, warm air, electric, Electric storage heaters

Air source heat pump, warm air, electric, electric storage heaters

Water source heat pump, warm air, electric, Electric storage heaters

Water source heat pump, warm air, electric, electric storage heaters

Boiler and radiators, wood pellets, Boiler and radiators, wood pellets

Boiler and radiators, wood pellets, boiler and radiators, wood pellets

Boiler and underfloor heating, oil, Air source heat pump, underfloor, electric

Boiler and underfloor heating, oil, air source heat pump, underfloor, electric

Portable electric heaters assumed for most rooms, Electric underfloor heating

Portable electric heaters assumed for most rooms, electric underfloor heating

Ground source heat pump, radiators, electric, Boiler and radiators, oil

Ground source heat pump, radiators, electric, boiler and radiators, oil

Ground source heat pump, underfloor, electric, Boiler and radiators, electric

Ground source heat pump, underfloor, electric, boiler and radiators, electric

Water source heat pump, underfloor, electric, Electric storage heaters

Water source heat pump, underfloor, electric, electric storage heaters

Ground source heat pump, radiators, electric, Electric underfloor heating

Ground source heat pump, radiators, electric, electric underfloor heating

Exhaust source heat pump, Underfloor heating, pipes in screed above insulation, electric

Exhaust source heat pump, underfloor heating, pipes in screed above insulation, electric

Boiler and underfloor heating, LPG, Boiler and underfloor heating, wood logs

Boiler and underfloor heating, lpg, boiler and underfloor heating, wood logs

Boiler and radiators, smokeless fuel, Boiler and radiators, electric

Boiler and radiators, smokeless fuel, boiler and radiators, electric

Boiler and underfloor heating, mains gas, Air source heat pump, radiators, electric

Boiler and underfloor heating, mains gas, air source heat pump, radiators, electric

Electric storage heaters, Air source heat pump, radiators, electric

Electric storage heaters, air source heat pump, radiators, electric

Community scheme with CHP, waste combustion and waste combustion

Community scheme with chp, waste combustion and waste combustion

Portable electric heaters assumed for most rooms, Electric storage heaters

Portable electric heaters assumed for most rooms, electric storage heaters

Air source heat pump, Systems with radiators, electric, Boiler And radiators, mains gas

Air source heat pump, systems with radiators, electric, boiler and radiators, mains gas

Ground source heat pump, warm air, electric, Boiler and underfloor heating, electric

Ground source heat pump, warm air, electric, boiler and underfloor heating, electric

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric, Boiler And underfloor heating, mains gas

Air source heat pump, underfloor heating, pipes in screed above insulation, electric, boiler and underfloor heating, mains gas

Air source heat pump, radiators, electric, Water source heat pump, underfloor, electric

Air source heat pump, radiators, electric, water source heat pump, underfloor, electric

Boiler and underfloor heating, oil, Boiler and radiators, wood logs

Boiler and underfloor heating, oil, boiler and radiators, wood logs

Boiler and radiators, dual fuel (mineral and wood), Room heaters, dual fuel (mineral and wood)

Boiler and radiators, dual fuel mineral and wood , room heaters, dual fuel mineral and wood

Boiler & underfloor, wood pellets, Boiler And underfloor heating, wood pellets

Boiler & underfloor, wood pellets, boiler and underfloor heating, wood pellets

Boiler and radiators, wood logs, Air source heat pump, warm air, electric

Boiler and radiators, wood logs, air source heat pump, warm air, electric

No system present: electric heaters assumed, Boiler and radiators, mains gas

No system present, electric heaters assumed, boiler and radiators, mains gas

Room heaters, smokeless fuel, Room heaters, dual fuel (mineral and wood)

Room heaters, smokeless fuel, room heaters, dual fuel mineral and wood

Ground source heat pump, underfloor, electric, Air source heat pump, underfloor, electric

Ground source heat pump, underfloor, electric, air source heat pump, underfloor, electric

Boiler and radiators, oil, Boiler and underfloor heating, wood pellets

Boiler and radiators, oil, boiler and underfloor heating, wood pellets

Boiler and underfloor heating, oil, Air source heat pump, warm air, electric

Boiler and underfloor heating, oil, air source heat pump, warm air, electric

Warm air, Electricaire, Boiler and underfloor heating, mains gas

Warm air, electricaire, boiler and underfloor heating, mains gas

Boiler and underfloor heating, mains gas, Electric storage heaters

Boiler and underfloor heating, mains gas, electric storage heaters

No system present: electric heaters assumed, radiators, electric

No system present, electric heaters assumed, radiators, electric

Boiler and radiators, mains gas, Boiler and underfloor heating, wood logs

Boiler and radiators, mains gas, boiler and underfloor heating, wood logs

Air source heat pump, radiators, electric, Boiler and radiators, wood logs

Air source heat pump, radiators, electric, boiler and radiators, wood logs

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric, Air source heat pump, electric

Air source heat pump, underfloor heating, pipes in screed above insulation, electric, air source heat pump, electric

Boiler and radiators, wood logs, Boiler and radiators, bottled LPG

Boiler and radiators, wood logs, boiler and radiators, bottled lpg

Boiler and radiators, oil, Boiler and underfloor heating, wood logs

Boiler and radiators, oil, boiler and underfloor heating, wood logs

Boiler and radiators, dual fuel (mineral and wood), Room heaters, LPG

Boiler and radiators, dual fuel mineral and wood , room heaters, lpg

Ground source heat pump, warm air, electric, Boiler and underfloor heating, mains gas

Ground source heat pump, warm air, electric, boiler and underfloor heating, mains gas

Boiler and radiators, mains gas, Boiler and underfloor heating, LPG

Boiler and radiators, mains gas, boiler and underfloor heating, lpg

Electric underfloor heating, Air source heat pump, warm air, electric

Electric underfloor heating, air source heat pump, warm air, electric

Boiler and radiators, wood logs, Boiler and underfloor heating, oil

Boiler and radiators, wood logs, boiler and underfloor heating, oil

Electric storage heaters, Air source heat pump, underfloor, electric

Electric storage heaters, air source heat pump, underfloor, electric

Air source heat pump, fan coil units, electric, Boiler and radiators, oil

Air source heat pump, fan coil units, electric, boiler and radiators, oil

Boiler and radiators, wood logs, Boiler and underfloor heating, wood logs

Boiler and radiators, wood logs, boiler and underfloor heating, wood logs

Boiler and radiators, wood logs, Boiler and radiators, mains gas

Boiler and radiators, wood logs, boiler and radiators, mains gas

Boiler with radiators and underfloor heating, mains gas, Boiler with radiators and underfloor heating, mains gas

Boiler with radiators and underfloor heating, mains gas, boiler with radiators and underfloor heating, mains gas

Boiler and radiators, bottled LPG, Boiler and underfloor heating, bottled LPG

Boiler and radiators, bottled lpg, boiler and underfloor heating, bottled lpg

Boiler and radiators, LPG, Air source heat pump, underfloor, electric

Boiler and radiators, lpg, air source heat pump, underfloor, electric

Air source heat pump, radiators, B30K, Boiler and radiators, mains gas

Air source heat pump, radiators, b30k, boiler and radiators, mains gas

Ground source heat pump, radiators, electric, Boiler and underfloor heating, oil

Ground source heat pump, radiators, electric, boiler and underfloor heating, oil

Boiler and radiators, wood pellets, Boiler and radiators, mains gas

Boiler and radiators, wood pellets, boiler and radiators, mains gas

Boiler and radiators, bottled LPG, Boiler and radiators, bottled LPG

Boiler and radiators, bottled lpg, boiler and radiators, bottled lpg

Boiler and radiators, mains gas, Boiler And underfloor heating, mains gas

Ground source heat pump, underfloor, electric, Air source heat pump, warm air, electric

Ground source heat pump, underfloor, electric, air source heat pump, warm air, electric

Room heaters, electric, Electric underfloor heating, underfloor, electric

Room heaters, electric, electric underfloor heating, underfloor, electric

Boiler and underfloor heating, mains gas, Boiler and radiators, dual fuel (mineral and wood)

Boiler and underfloor heating, mains gas, boiler and radiators, dual fuel mineral and wood

Ground source heat pump, underfloor, electric, Water source heat pump, underfloor, electric

Ground source heat pump, underfloor, electric, water source heat pump, underfloor, electric

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric, Boiler And underfloor heating, oil

Air source heat pump, underfloor heating, pipes in screed above insulation, electric, boiler and underfloor heating, oil

Boiler and radiators, coal, Boiler and underfloor heating, electric

Boiler and radiators, coal, boiler and underfloor heating, electric

Ground source heat pump, Underfloor heating and radiators, pipes in insulated timber floor, electric

Ground source heat pump, underfloor heating and radiators, pipes in insulated timber floor, electric

Boiler and radiators, wood logs, Air source heat pump, underfloor, electric

Boiler and radiators, wood logs, air source heat pump, underfloor, electric

Ground source heat pump, underfloor, electric, Air source heat pump, radiators, electric

Ground source heat pump, underfloor, electric, air source heat pump, radiators, electric

Boiler and radiators, LPG, Boiler and underfloor heating, mains gas

Boiler and radiators, lpg, boiler and underfloor heating, mains gas

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, Room heaters, wood logs

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, room heaters, wood logs

Air source heat pump, fan coil units, electric, Room heaters, electric

Air source heat pump, fan coil units, electric, room heaters, electric

Boiler and underfloor heating, LPG, Air source heat pump, underfloor, electric

Boiler and underfloor heating, lpg, air source heat pump, underfloor, electric

Air source heat pump, radiators, electric, Room heaters, dual fuel (mineral and wood)

Air source heat pump, radiators, electric, room heaters, dual fuel mineral and wood

Boiler and radiators, wood chips, Boiler and underfloor heating, wood chips

Boiler and radiators, wood chips, boiler and underfloor heating, wood chips

Boiler and radiators, electric, Boiler and radiators, dual fuel (mineral and wood)

Boiler and radiators, electric, boiler and radiators, dual fuel mineral and wood

Ground source heat pump, underfloor, electric, Boiler and underfloor heating, mains gas

Ground source heat pump, underfloor, electric, boiler and underfloor heating, mains gas

Water source heat pump, radiators, electric, Water source heat pump, underfloor, electric

Water source heat pump, radiators, electric, water source heat pump, underfloor, electric

Boiler and radiators, mains gas, Water source heat pump, radiators, mains gas

Boiler and radiators, mains gas, water source heat pump, radiators, mains gas

Boiler and radiators, smokeless fuel, Electric underfloor heating

Boiler and radiators, smokeless fuel, electric underfloor heating

Boiler and radiators, LPG, Boiler and underfloor heating, electric

Boiler and radiators, lpg, boiler and underfloor heating, electric

Air source heat pump, warm air, electric, Air source heat pump, warm air, electric

Air source heat pump, warm air, electric, air source heat pump, warm air, electric

Air source heat pump, underfloor, electric, Boiler and radiators, LPG

Air source heat pump, underfloor, electric, boiler and radiators, lpg

Boiler and underfloor heating, mains gas, Boiler and radiators, wood logs

Boiler and underfloor heating, mains gas, boiler and radiators, wood logs

Portable electric heaters assumed for most rooms, Room heaters, dual fuel (mineral and wood)

Portable electric heaters assumed for most rooms, room heaters, dual fuel mineral and wood

Boiler and underfloor heating, mains gas, Ground source heat pump, radiators, electric

Boiler and underfloor heating, mains gas, ground source heat pump, radiators, electric

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, Boiler And underfloor heating, mains gas

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, boiler and underfloor heating, mains gas

Boiler and radiators, LPG, Room heaters, dual fuel (mineral and wood)

Boiler and radiators, lpg, room heaters, dual fuel mineral and wood

Room heaters, dual fuel (mineral and wood), Room heaters, wood logs

Room heaters, dual fuel mineral and wood , room heaters, wood logs

Boiler and radiators, smokeless fuel, Boiler and radiators, dual fuel (mineral and wood)

Boiler and radiators, smokeless fuel, boiler and radiators, dual fuel mineral and wood

Boiler and radiators, oil, Ground source heat pump, underfloor, electric

Boiler and radiators, oil, ground source heat pump, underfloor, electric

Boiler and underfloor heating, electric, Ground source heat pump, underfloor, electric

Boiler and underfloor heating, electric, ground source heat pump, underfloor, electric

Air source heat pump, underfloor, electric, Ground source heat pump, radiators, electric

Air source heat pump, underfloor, electric, ground source heat pump, radiators, electric

Boiler and radiators, mains gas, Electric underfloor heating, underfloor, electric

Boiler and radiators, mains gas, electric underfloor heating, underfloor, electric

Boiler and radiators, dual fuel (mineral and wood), Boiler and radiators, mains gas

Boiler and radiators, dual fuel mineral and wood , boiler and radiators, mains gas

Pwmp gwres syGÇÖn tarddu yn yr awyr, dan y llawr, trydan, Pwmp gwres syGÇÖn tarddu yn yr awyr, dan y llawr, trydan

Boiler and radiators, LPG, Ground source heat pump, radiators, electric

Boiler and radiators, lpg, ground source heat pump, radiators, electric

Boiler and underfloor heating, mains gas, Boiler and underfloor heating, LPG

Boiler and underfloor heating, mains gas, boiler and underfloor heating, lpg

Boiler and underfloor heating, electric, Room heaters, wood logs

Boiler and underfloor heating, electric, room heaters, wood logs

Boiler and underfloor heating, LPG, Air source heat pump, warm air, electric

Boiler and underfloor heating, lpg, air source heat pump, warm air, electric

Air source heat pump, warm air, electric, Air source heat pump, underfloor, electric

Air source heat pump, warm air, electric, air source heat pump, underfloor, electric

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, , underfloor, electric

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, , underfloor, electric

Boiler and underfloor heating, electric, Boiler and underfloor heating, electric

Boiler and underfloor heating, electric, boiler and underfloor heating, electric

Boiler and radiators, mains gas, Water source heat pump, underfloor, mains gas

Boiler and radiators, mains gas, water source heat pump, underfloor, mains gas

Exhaust air MEV source heat pump, Underfloor heating, pipes in screed above insulation, electric

Exhaust air mev source heat pump, underfloor heating, pipes in screed above insulation, electric

Ground source heat pump, radiators, electric, Boiler and radiators, LPG

Ground source heat pump, radiators, electric, boiler and radiators, lpg

Boiler and radiators, wood pellets, Boiler and radiators, wood logs

Boiler and radiators, wood pellets, boiler and radiators, wood logs

Electric underfloor heating, Room heaters, dual fuel (mineral and wood)

Electric underfloor heating, room heaters, dual fuel mineral and wood

Boiler and radiators, bottled LPG, Ground source heat pump, underfloor, electric

Boiler and radiators, bottled lpg, ground source heat pump, underfloor, electric

Boiler and radiators, anthracite, Boiler and radiators, dual fuel (mineral and wood)

Boiler and radiators, anthracite, boiler and radiators, dual fuel mineral and wood

Boiler & underfloor, oil, Boiler And underfloor heating, wood logs

Boiler & underfloor, oil, boiler and underfloor heating, wood logs

Boiler and underfloor heating, wood logs, Boiler and underfloor heating, wood logs

Boiler and underfloor heating, wood logs, boiler and underfloor heating, wood logs

Boiler & underfloor, wood logs, Boiler And underfloor heating, oil

Boiler & underfloor, wood logs, boiler and underfloor heating, oil

Boiler and radiators, wood logs, Air source heat pump, radiators, electric

Boiler and radiators, wood logs, air source heat pump, radiators, electric

Air source heat pump fan coil units, electric, , underfloor, electric

Ground source heat pump, underfloor, electric, Electric underfloor heating

Ground source heat pump, underfloor, electric, electric underfloor heating

Air source heat pump, warm air, electric, Room heaters, wood logs

Air source heat pump, warm air, electric, room heaters, wood logs

Ground source heat pump, underfloor, electric, Boiler and underfloor heating, oil

Ground source heat pump, underfloor, electric, boiler and underfloor heating, oil

Air source heat pump , electric, Air source heat pump, underfloor, electric

Air source heat pump , electric, air source heat pump, underfloor, electric

Air source heat pump, underfloor, electric, Boiler and radiators, bottled LPG

Air source heat pump, underfloor, electric, boiler and radiators, bottled lpg

Electric storage heaters, No system present: electric heaters assumed

Electric storage heaters, no system present, electric heaters assumed

Boiler and radiators, oil, Water source heat pump, underfloor, oil

Boiler and radiators, oil, water source heat pump, underfloor, oil

Boiler and radiators, mains gas, Ground source heat pump, warm air, electric

Boiler and radiators, mains gas, ground source heat pump, warm air, electric

Boiler and radiators, mains gas, Boiler and radiators, wood pellets

Boiler and radiators, mains gas, boiler and radiators, wood pellets

Boiler and underfloor heating, electric, Air source heat pump, warm air, electric

Boiler and underfloor heating, electric, air source heat pump, warm air, electric

Air source heat pump, warm air, electric, Boiler and underfloor heating, mains gas

Air source heat pump, warm air, electric, boiler and underfloor heating, mains gas

Exhaust air MEV source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric

Exhaust air mev source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric

Air source heat pump, radiators, electric, Room heaters, wood logs

Air source heat pump, radiators, electric, room heaters, wood logs

Boiler and radiators, bottled LPG, Air source heat pump, underfloor, electric

Boiler and radiators, bottled lpg, air source heat pump, underfloor, electric

Air source heat pump, radiators and underfloor, electric, Air source heat pump, underfloor, electric

Air source heat pump, radiators and underfloor, electric, air source heat pump, underfloor, electric

Boiler and radiators, LPG, Air source heat pump, warm air, electric

Boiler and radiators, lpg, air source heat pump, warm air, electric

Air source heat pump, radiators and underfloor, electric, Boiler and radiators, mains gas

Air source heat pump, radiators and underfloor, electric, boiler and radiators, mains gas

Boiler and radiators, wood logs, Boiler and radiators, wood pellets

Boiler and radiators, wood logs, boiler and radiators, wood pellets

Boiler and underfloor heating, electric, Boiler and radiators, wood logs

Boiler and underfloor heating, electric, boiler and radiators, wood logs

Boiler and radiators, dual fuel (mineral and wood), Boiler and underfloor heating, dual fuel (mineral and wood)

Boiler and radiators, dual fuel mineral and wood , boiler and underfloor heating, dual fuel mineral and wood

Boiler and radiators, electric, No system present: electric heaters assumed

Boiler and radiators, electric, no system present, electric heaters assumed

Boiler and radiators, oil, Boiler and underfloor heating, dual fuel (mineral and wood)

Boiler and radiators, oil, boiler and underfloor heating, dual fuel mineral and wood

Air source heat pump, Systems with radiators, electric, Room heaters, wood logs

Air source heat pump, systems with radiators, electric, room heaters, wood logs

Air source heat pump, Underfloor heating and radiators, pipes in insulated timber floor, electric, Room heaters, wood logs

Air source heat pump, underfloor heating and radiators, pipes in insulated timber floor, electric, room heaters, wood logs

Boiler and radiators, electric, Air source heat pump, radiators, electric

Boiler and radiators, electric, air source heat pump, radiators, electric

Boiler and underfloor heating, oil, Boiler and radiators, electric

Boiler and underfloor heating, oil, boiler and radiators, electric

Room heaters, wood logs, Boiler and underfloor heating, mains gas

Room heaters, wood logs, boiler and underfloor heating, mains gas

Air source heat pump, radiators, electric, Ground source heat pump, radiators, electric

Air source heat pump, radiators, electric, ground source heat pump, radiators, electric

Boiler and underfloor heating, wood pellets, Boiler and radiators, oil

Boiler and underfloor heating, wood pellets, boiler and radiators, oil

Ground source heat pump, warm air, electric, Electric storage heaters

Ground source heat pump, warm air, electric, electric storage heaters

Electric storage heaters, Ground source heat pump, warm air, electric

Electric storage heaters, ground source heat pump, warm air, electric

Ground source heat pump, underfloor, electric, Room heaters, electric

Ground source heat pump, underfloor, electric, room heaters, electric

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, Boiler And underfloor heating, electric

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, boiler and underfloor heating, electric

Room heaters, electric, Air source heat pump, radiators, electric

Room heaters, electric, air source heat pump, radiators, electric

Air source heat pump, Underfloor heating, pipes in screed above insulation, trydan

Air source heat pump, underfloor heating, pipes in screed above insulation, trydan

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, trydan

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, trydan

Boiler and underfloor heating, wood pellets, Boiler and radiators, wood pellets

Boiler and underfloor heating, wood pellets, boiler and radiators, wood pellets

Room heaters, anthracite, Boiler and radiators, dual fuel (mineral and wood)

Room heaters, anthracite, boiler and radiators, dual fuel mineral and wood

Room heaters, electric, Boiler and radiators, dual fuel (mineral and wood)

Room heaters, electric, boiler and radiators, dual fuel mineral and wood

Boiler and radiators, coal, Boiler and radiators, dual fuel (mineral and wood)

Boiler and radiators, coal, boiler and radiators, dual fuel mineral and wood

Ground source heat pump , mains gas, Boiler And underfloor heating, mains gas

Ground source heat pump , mains gas, boiler and underfloor heating, mains gas

Ground source heat pump, underfloor, electric, Boiler and underfloor heating, LPG

Ground source heat pump, underfloor, electric, boiler and underfloor heating, lpg

Boiler and radiators, mains gas, Boiler And radiators, wood logs

Air source heat pump, radiators, electric, Boiler and radiators, dual fuel (mineral and wood)

Air source heat pump, radiators, electric, boiler and radiators, dual fuel mineral and wood

Boiler and underfloor heating, wood pellets, Air source heat pump, underfloor, electric

Boiler and underfloor heating, wood pellets, air source heat pump, underfloor, electric

Air source heat pump, underfloor, electric, Water source heat pump, radiators, electric

Air source heat pump, underfloor, electric, water source heat pump, radiators, electric

Air source heat pump, warm air, electric, Boiler and underfloor heating, oil

Air source heat pump, warm air, electric, boiler and underfloor heating, oil

Boiler and underfloor heating, electric, Electric underfloor heating

Boiler and underfloor heating, electric, electric underfloor heating

Air source heat pump, underfloor, electric, Boiler and radiators, wood pellets

Air source heat pump, underfloor, electric, boiler and radiators, wood pellets

Boiler and radiators, dual fuel (mineral and wood), Boiler and radiators, wood logs

Boiler and radiators, dual fuel mineral and wood , boiler and radiators, wood logs

Water source heat pump, underfloor, electric, Air source heat pump, underfloor, electric

Water source heat pump, underfloor, electric, air source heat pump, underfloor, electric

Boiler and radiators, mains gas, Electric ceiling heating, electric

Boiler and radiators, mains gas, electric ceiling heating, electric

Air source heat pump, warm air, electric, Warm air, Electricaire

Air source heat pump, warm air, electric, warm air, electricaire

No system present: electric heaters assumed, Room heaters, mains gas

No system present, electric heaters assumed, room heaters, mains gas

Air source heat pump, radiators and underfloor, electric, Air source heat pump, radiators and underfloor, electric

Air source heat pump, radiators and underfloor, electric, air source heat pump, radiators and underfloor, electric

Boiler and radiators, oil, Air source heat pump, fan coil units, electric

Boiler and radiators, oil, air source heat pump, fan coil units, electric

Boiler and radiators, dual fuel (mineral and wood), Boiler and underfloor heating, mains gas

Boiler and radiators, dual fuel mineral and wood , boiler and underfloor heating, mains gas

Exhaust air MEV source heat pump, Underfloor heating and radiators, pipes in insulated timber floor, electric

Exhaust air mev source heat pump, underfloor heating and radiators, pipes in insulated timber floor, electric

Mixed exhaust air source heat pump, Underfloor heating and radiators, pipes in insulated timber floor, electric

Mixed exhaust air source heat pump, underfloor heating and radiators, pipes in insulated timber floor, electric

Boiler and underfloor heating, mains gas, Air source heat pump, fan coil units, electric

Boiler and underfloor heating, mains gas, air source heat pump, fan coil units, electric

Boiler and underfloor heating, electric, Boiler and underfloor heating, mains gas

Boiler and underfloor heating, electric, boiler and underfloor heating, mains gas

Air source heat pump, radiators, mains gas, Boiler and radiators, mains gas

Air source heat pump, radiators, mains gas, boiler and radiators, mains gas

Boiler and radiators, mains gas, Air source heat pump, fan coil units, electric

Boiler and radiators, mains gas, air source heat pump, fan coil units, electric

Room heaters, electric, Air source heat pump, underfloor, electric

Room heaters, electric, air source heat pump, underfloor, electric

Boiler and underfloor heating, |Bwyler a gwres dan y llawr, |wood pellets|pelenni coed

Boiler and underfloor heating, |bwyler a gwres dan y llawr, |wood pellets|pelenni coed

Boiler and radiators, wood pellets, Boiler and radiators, bottled LPG

Boiler and radiators, wood pellets, boiler and radiators, bottled lpg

Mixed exhaust air source heat pump, Systems with radiators, electric

Mixed exhaust air source heat pump, systems with radiators, electric

Air source heat pump, underfloor, electric, Electric storage heaters

Air source heat pump, underfloor, electric, electric storage heaters

Air source heat pump, underfloor, electric, Ground source heat pump, underfloor, electric

Air source heat pump, underfloor, electric, ground source heat pump, underfloor, electric

Air source heat pump, warm air, electric, Boiler and radiators, wood logs

Air source heat pump, warm air, electric, boiler and radiators, wood logs

Air source heat pump fan coil units, electric, Electric underfloor heating, underfloor, electric

Air source heat pump fan coil units, electric, electric underfloor heating, underfloor, electric

Boiler and radiators, electric, Air source heat pump, underfloor, electric

Boiler and radiators, electric, air source heat pump, underfloor, electric

Boiler and radiators, mains gas, Water source heat pump, warm air, electric

Boiler and radiators, mains gas, water source heat pump, warm air, electric

Air source heat pump fan coil units, electric, Warm air, underfloor, electric

Air source heat pump fan coil units, electric, warm air, underfloor, electric

Air source heat pump, fan coil units, electric, Air source heat pump, underfloor, electric

Air source heat pump, fan coil units, electric, air source heat pump, underfloor, electric

Electric storage heaters, radiators, Electric underfloor heating, underfloor, electric

Electric storage heaters, radiators, electric underfloor heating, underfloor, electric

Air source heat pump , electric, Boiler And underfloor heating, mains gas

Air source heat pump , electric, boiler and underfloor heating, mains gas

Boiler and radiators, wood logs, Boiler and radiators, wood logs

Boiler and radiators, wood logs, boiler and radiators, wood logs

Boiler and underfloor heating, electric, Boiler and underfloor heating, wood logs

Boiler and underfloor heating, electric, boiler and underfloor heating, wood logs

Room heaters, dual fuel (mineral and wood), Air source heat pump, underfloor, electric

Room heaters, dual fuel mineral and wood , air source heat pump, underfloor, electric

Boiler and underfloor heating, dual fuel (mineral and wood), Boiler and radiators, wood logs

Boiler and underfloor heating, dual fuel mineral and wood , boiler and radiators, wood logs

Exhaust air MEV source heat pump, Underfloor heating, pipes in insulated timber floor, electric

Exhaust air mev source heat pump, underfloor heating, pipes in insulated timber floor, electric

Boiler and underfloor heating, LPG, Boiler and radiators, wood logs

Boiler and underfloor heating, lpg, boiler and radiators, wood logs

Boiler and underfloor heating, LPG, Boiler and underfloor heating, dual fuel (mineral and wood)

Boiler and underfloor heating, lpg, boiler and underfloor heating, dual fuel mineral and wood

Ground source heat pump, underfloor, electric, Boiler and radiators, wood logs

Ground source heat pump, underfloor, electric, boiler and radiators, wood logs

Boiler and radiators, wood pellets, Boiler and underfloor heating, wood logs

Boiler and radiators, wood pellets, boiler and underfloor heating, wood logs

Boiler and radiators, bottled LPG, Boiler and radiators, wood logs

Boiler and radiators, bottled lpg, boiler and radiators, wood logs

Room heaters, wood logs, Air source heat pump, fan coil units, electric

Room heaters, wood logs, air source heat pump, fan coil units, electric

Boiler and underfloor heating, electric, Room heaters, dual fuel (mineral and wood)

Boiler and underfloor heating, electric, room heaters, dual fuel mineral and wood

Boiler and radiators, electric, Room heaters, dual fuel (mineral and wood)

Boiler and radiators, electric, room heaters, dual fuel mineral and wood

Air source heat pump, underfloor, electric, Boiler and underfloor heating, LPG

Air source heat pump, underfloor, electric, boiler and underfloor heating, lpg

Boiler and underfloor heating, mains gas, Ground source heat pump, warm air, electric

Boiler and underfloor heating, mains gas, ground source heat pump, warm air, electric

Boiler and underfloor heating, oil, Boiler and underfloor heating, electric

Boiler and underfloor heating, oil, boiler and underfloor heating, electric

Air source heat pump, electric, Air source heat pump, underfloor, electric

Air source heat pump, electric, air source heat pump, underfloor, electric

Room heaters, dual fuel (mineral and wood), Boiler and radiators, anthracite

Room heaters, dual fuel mineral and wood , boiler and radiators, anthracite

Electric underfloor heating, Air source heat pump, radiators, electric

Electric underfloor heating, air source heat pump, radiators, electric

Ground source heat pump, radiators, electric, Water source heat pump, underfloor, electric

Ground source heat pump, radiators, electric, water source heat pump, underfloor, electric

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric, Electric ceiling, underfloor, electric

Air source heat pump, underfloor heating, pipes in screed above insulation, electric, electric ceiling heating, underfloor, electric

Boiler and underfloor heating, mains gas, Room heaters, wood logs

Boiler and underfloor heating, mains gas, room heaters, wood logs

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, Boiler And underfloor heating, oil

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, boiler and underfloor heating, oil

Solar assisted source heat pump, Underfloor heating, pipes in screed above insulation, electric

Solar assisted source heat pump, underfloor heating, pipes in screed above insulation, electric

Air source heat pump, underfloor, electric, Boiler with radiators and underfloor heating, mains gas

Air source heat pump, underfloor, electric, boiler with radiators and underfloor heating, mains gas

Boiler and radiators, mains gas, Boiler and radiators, bottled LPG

Boiler and radiators, mains gas, boiler and radiators, bottled lpg

No system present: electric heaters assumed, Electric storage heaters

No system present, electric heaters assumed, electric storage heaters

Air source heat pump, Fan coil units, electric, Room heaters, electric

Boiler and underfloor heating, |Bwyler a gwres dan y llawr, |mains gas|nwy prif gyflenwad

Boiler and underfloor heating, |bwyler a gwres dan y llawr, |mains gas|nwy prif gyflenwad

Boiler and underfloor heating, mains gas, Ground source heat pump, underfloor, electric

Boiler and underfloor heating, mains gas, ground source heat pump, underfloor, electric

Gwresogyddion trydan cludadwy wedi?i ragdybio ar gyfer y rhan fwyaf o?r ystafelloedd

Boiler and radiators, oil, Boiler and underfloor heating, mains gas

Boiler and radiators, oil, boiler and underfloor heating, mains gas

Ground source heat pump, radiators, electric, Boiler and underfloor heating, mains gas

Ground source heat pump, radiators, electric, boiler and underfloor heating, mains gas

Ground source heat pump, underfloor, electric, Room heaters, wood logs

Ground source heat pump, underfloor, electric, room heaters, wood logs

Air source heat pump, warm air, electric, Boiler and radiators, oil

Air source heat pump, warm air, electric, boiler and radiators, oil

Boiler and underfloor heating, wood logs, Boiler and radiators, LPG

Boiler and underfloor heating, wood logs, boiler and radiators, lpg

Warm air, Electricaire, Boiler and radiators, dual fuel (mineral and wood)

Warm air, electricaire, boiler and radiators, dual fuel mineral and wood

Boiler and radiators, oil, Ground source heat pump, radiators, electric

Boiler and radiators, oil, ground source heat pump, radiators, electric

Boiler with radiators and underfloor heating, mains gas, Boiler and radiators, mains gas

Boiler with radiators and underfloor heating, mains gas, boiler and radiators, mains gas

Air source heat pump, underfloor, electric, Boiler and radiators, dual fuel (mineral and wood)

Air source heat pump, underfloor, electric, boiler and radiators, dual fuel mineral and wood

Boiler and underfloor heating, oil, Boiler and underfloor heating, wood logs

Boiler and underfloor heating, oil, boiler and underfloor heating, wood logs

Air source heat pump, underfloor, electric, Boiler and radiators, electric

Air source heat pump, underfloor, electric, boiler and radiators, electric

Ground source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, Boiler And radiators, mains gas

Ground source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, boiler and radiators, mains gas

Boiler with radiators and underfloor heating, mains gas, Air source heat pump, fan coil units, electric

Boiler with radiators and underfloor heating, mains gas, air source heat pump, fan coil units, electric

Boiler and radiators, wood chips, Boiler and underfloor heating, mains gas

Boiler and radiators, wood chips, boiler and underfloor heating, mains gas

Air source heat pump, underfloor, electric, Boiler and radiators, wood logs

Air source heat pump, underfloor, electric, boiler and radiators, wood logs

Electric storage heaters, Boiler and underfloor heating, electric

Electric storage heaters, boiler and underfloor heating, electric

Room heaters, dual fuel (mineral and wood), Air source heat pump, warm air, electric

Room heaters, dual fuel mineral and wood , air source heat pump, warm air, electric

Boiler and radiators, mains gas, Air source heat pump, underfloor, mains gas

Boiler and radiators, mains gas, air source heat pump, underfloor, mains gas

Boiler and underfloor heating, LPG, Boiler and radiators, electric

Boiler and underfloor heating, lpg, boiler and radiators, electric

Boiler and underfloor heating, mains gas, Boiler and underfloor heating, wood logs

Boiler and underfloor heating, mains gas, boiler and underfloor heating, wood logs

Water source heat pump, underfloor, electric, Boiler and underfloor heating, mains gas

Water source heat pump, underfloor, electric, boiler and underfloor heating, mains gas

Ground source heat pump, underfloor, electric, Boiler and underfloor heating, electric

Ground source heat pump, underfloor, electric, boiler and underfloor heating, electric

Water source heat pump, warm air, electric, Boiler and radiators, oil

Water source heat pump, warm air, electric, boiler and radiators, oil

Ground source heat pump, radiators and underfloor, electric, Ground source heat pump, radiators and underfloor, electric

Ground source heat pump, radiators and underfloor, electric, ground source heat pump, radiators and underfloor, electric

Boiler and underfloor heating, electric, Electric storage heaters

Boiler and underfloor heating, electric, electric storage heaters

Boiler and underfloor heating, mains gas, Boiler and radiators, LPG

Boiler and underfloor heating, mains gas, boiler and radiators, lpg

Boiler and radiators, dual fuel (mineral and wood), Boiler and underfloor heating, oil

Boiler and radiators, dual fuel mineral and wood , boiler and underfloor heating, oil

Boiler and underfloor heating, oil, Boiler and radiators, wood pellets

Boiler and underfloor heating, oil, boiler and radiators, wood pellets

Room heaters, electric, Boiler and underfloor heating, mains gas

Room heaters, electric, boiler and underfloor heating, mains gas

Boiler and underfloor heating, wood logs, Boiler and underfloor heating, oil

Boiler and underfloor heating, wood logs, boiler and underfloor heating, oil

Water source heat pump, warm air, electric, Boiler and radiators, mains gas

Water source heat pump, warm air, electric, boiler and radiators, mains gas

Boiler and radiators, mains gas, Water source heat pump, radiators, electric

Boiler and radiators, mains gas, water source heat pump, radiators, electric

Air source heat pump, radiators, electric, Air source heat pump, fan coil units, electric

Air source heat pump, radiators, electric, air source heat pump, fan coil units, electric

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric, Boiler And radiators, mains gas

Air source heat pump, underfloor heating, pipes in screed above insulation, electric, boiler and radiators, mains gas

Ground source heat pump, underfloor, electric, Ground source heat pump, fan coil units, electric

Ground source heat pump, underfloor, electric, ground source heat pump, fan coil units, electric

Ground source heat pump, |Pwmp gwres sy'n tarddu yn y ddaear, |, radiators, |, rheiddiaduron, |electric|trydan

Ground source heat pump, |pwmp gwres sy'n tarddu yn y ddaear, |, radiators, |, rheiddiaduron, |electric|trydan

Water source heat pump, underfloor, electric, Water source heat pump, radiators, electric

Water source heat pump, underfloor, electric, water source heat pump, radiators, electric

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, Boiler And radiators, mains gas

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, boiler and radiators, mains gas

Air source heat pump, warm air, electric, Boiler and radiators, electric

Air source heat pump, warm air, electric, boiler and radiators, electric

Air source heat pump , electric, Air source heat pump , electric

Air source heat pump , electric, air source heat pump , electric

Boiler & underfloor, oil, Boiler And underfloor heating, wood chips

Boiler & underfloor, oil, boiler and underfloor heating, wood chips

Air source heat pump, underfloor, LPG, Air source heat pump, radiators, LPG

Air source heat pump, underfloor, lpg, air source heat pump, radiators, lpg

Boiler with radiators and underfloor heating, mains gas, Electric underfloor heating

Boiler with radiators and underfloor heating, mains gas, electric underfloor heating

Ground source heat pump , electric, Boiler And underfloor heating, mains gas

Ground source heat pump , electric, boiler and underfloor heating, mains gas

Electric ceiling heating, Boiler and underfloor heating, electric

Electric ceiling heating, boiler and underfloor heating, electric

Air source heat pump fan coil units, electric, Boiler And underfloor heating, mains gas

Air source heat pump fan coil units, electric, boiler and underfloor heating, mains gas

Boiler and underfloor heating, mains gas, Water source heat pump, electric

Boiler and underfloor heating, mains gas, water source heat pump, electric

Boiler and radiators, oil, Water source heat pump, radiators, electric

Boiler and radiators, oil, water source heat pump, radiators, electric

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric, Boiler And radiators, oil

Air source heat pump, underfloor heating, pipes in screed above insulation, electric, boiler and radiators, oil

Air source heat pump, fan coil units, electric, Boiler and radiators, LPG

Air source heat pump, fan coil units, electric, boiler and radiators, lpg

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric, Room heaters, electric

Air source heat pump, underfloor heating, pipes in screed above insulation, electric, room heaters, electric

Boiler and underfloor heating, electric, Boiler and radiators, dual fuel (mineral and wood)

Boiler and underfloor heating, electric, boiler and radiators, dual fuel mineral and wood

Air source heat pump, warm air, electric, Boiler and radiators, bottled LPG

Air source heat pump, warm air, electric, boiler and radiators, bottled lpg

Air source heat pump, radiators, electric, Boiler and underfloor heating, mains gas

Air source heat pump, radiators, electric, boiler and underfloor heating, mains gas

Air source heat pump, Underfloor heating, pipes in insulated timber floor, electric, Boiler And underfloor heating, mains gas

Air source heat pump, underfloor heating, pipes in insulated timber floor, electric, boiler and underfloor heating, mains gas

Boiler and radiators, mains gas, Air source heat pump, fan coil units, mains gas

Boiler and radiators, mains gas, air source heat pump, fan coil units, mains gas

Solar assisted source heat pump, Underfloor heating, pipes in insulated timber floor, electric

Solar assisted source heat pump, underfloor heating, pipes in insulated timber floor, electric

Solar assisted source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric

Solar assisted source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric

Air source heat pump, radiators, electric, Ground source heat pump, underfloor, electric

Air source heat pump, radiators, electric, ground source heat pump, underfloor, electric

Boiler and underfloor heating, LPG, Boiler and radiators, dual fuel (mineral and wood)

Boiler and underfloor heating, lpg, boiler and radiators, dual fuel mineral and wood

Air source heat pump, |Pwmp gwres sy'n tarddu yn yr awyr, |, underfloor, |, dan y llawr, |electric|trydan

Air source heat pump, |pwmp gwres sy'n tarddu yn yr awyr, |, underfloor, |, dan y llawr, |electric|trydan

Ground source heat pump, |Pwmp gwres sy'n tarddu yn y ddaear, |, underfloor, |, dan y llawr, |electric|trydan

Ground source heat pump, |pwmp gwres sy'n tarddu yn y ddaear, |, underfloor, |, dan y llawr, |electric|trydan

Ground source heat pump, underfloor, electric, Boiler and radiators, LPG

Ground source heat pump, underfloor, electric, boiler and radiators, lpg

Water source heat pump, underfloor, electric, Water source heat pump, underfloor, electric

Water source heat pump, underfloor, electric, water source heat pump, underfloor, electric

Boiler and underfloor heating, mains gas, Boiler and radiators, oil

Boiler and underfloor heating, mains gas, boiler and radiators, oil

Boiler and underfloor heating, oil, Boiler and underfloor heating, dual fuel (mineral and wood)

Boiler and underfloor heating, oil, boiler and underfloor heating, dual fuel mineral and wood

Air source heat pump, Underfloor heating, pipes in screed above insulation, electric, , underfloor, electric

Air source heat pump, underfloor heating, pipes in screed above insulation, electric, , underfloor, electric

Air source heat pump, radiators, electric, Warm air, Electricaire

Air source heat pump, radiators, electric, warm air, electricaire

Boiler & underfloor, oil, Boiler And underfloor heating, dual fuel (mineral and wood)

Boiler & underfloor, oil, boiler and underfloor heating, dual fuel mineral and wood

Boiler and radiators, LPG, Ground source heat pump, warm air, electric

Boiler and radiators, lpg, ground source heat pump, warm air, electric

Air source heat pump, radiators, electric, Boiler and radiators, coal

Air source heat pump, radiators, electric, boiler and radiators, coal

Boiler and underfloor heating, oil, Air source heat pump, radiators, electric

Boiler and underfloor heating, oil, air source heat pump, radiators, electric

Boiler and radiators, dual fuel (mineral and wood), Room heaters, mains gas

Boiler and radiators, dual fuel mineral and wood , room heaters, mains gas

Boiler and underfloor heating, dual fuel (mineral and wood), Electric underfloor heating

Boiler and underfloor heating, dual fuel mineral and wood , electric underfloor heating

Ground source heat pump, Systems with radiators, electric, Room heaters, wood logs

Ground source heat pump, systems with radiators, electric, room heaters, wood logs

Boiler and underfloor heating, wood chips, Boiler and radiators, wood chips

Boiler and underfloor heating, wood chips, boiler and radiators, wood chips

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, Boiler And radiators, LPG

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, boiler and radiators, lpg

Boiler and radiators, anthracite, Boiler and radiators, wood logs

Boiler and radiators, anthracite, boiler and radiators, wood logs

Boiler and radiators, wood pellets, Boiler and underfloor heating, oil

Boiler and radiators, wood pellets, boiler and underfloor heating, oil

Air source heat pump, Fan coil units, electric, Boiler And underfloor heating, mains gas

Air source heat pump, fan coil units, electric, boiler and underfloor heating, mains gas

Room heaters, dual fuel (mineral and wood), Boiler and radiators, coal

Room heaters, dual fuel mineral and wood , boiler and radiators, coal

Room heaters, dual fuel (mineral and wood), Boiler and radiators, dual fuel (mineral and wood)

Room heaters, dual fuel mineral and wood , boiler and radiators, dual fuel mineral and wood

Boiler and radiators, mains gas, Water source heat pump, underfloor, electric

Boiler and radiators, mains gas, water source heat pump, underfloor, electric

Boiler and radiators, mains gas, Air source heat pump  ,fan coil units, electric

Boiler and radiators, mains gas, air source heat pump ,fan coil units, electric

Air source heat pump, underfloor, electric, Warm air, Electricaire

Air source heat pump, underfloor, electric, warm air, electricaire

Boiler and radiators, anthracite, Boiler and radiators, smokeless fuel

Boiler and radiators, anthracite, boiler and radiators, smokeless fuel

Boiler and underfloor heating, LPG, Boiler and radiators, mains gas

Boiler and underfloor heating, lpg, boiler and radiators, mains gas

Boiler and radiators, mains gas, Boiler and radiators, smokeless fuel

Boiler and radiators, mains gas, boiler and radiators, smokeless fuel

Boiler and underfloor heating, dual fuel (mineral and wood), Boiler and radiators, dual fuel (mineral and wood)

Boiler and underfloor heating, dual fuel mineral and wood , boiler and radiators, dual fuel mineral and wood

Boiler and radiators, LPG, Ground source heat pump, underfloor, electric

Boiler and radiators, lpg, ground source heat pump, underfloor, electric

Boiler and underfloor heating, LPG, Ground source heat pump, underfloor, electric

Boiler and underfloor heating, lpg, ground source heat pump, underfloor, electric

Boiler and radiators, dual fuel (mineral and wood), Electric ceiling heating

Boiler and radiators, dual fuel mineral and wood , electric ceiling heating

Air source heat pump, radiators, electric, Boiler and radiators, bottled LPG

Air source heat pump, radiators, electric, boiler and radiators, bottled lpg

Boiler and underfloor heating, wood logs, Boiler and radiators, oil

Boiler and underfloor heating, wood logs, boiler and radiators, oil

Room heaters, dual fuel (mineral and wood), Boiler and radiators, mains gas

Room heaters, dual fuel mineral and wood , boiler and radiators, mains gas

Air source heat pump, underfloor, electric, Boiler and underfloor heating, bottled LPG

Air source heat pump, underfloor, electric, boiler and underfloor heating, bottled lpg

Boiler and radiators, dual fuel (mineral and wood), Room heaters, coal

Boiler and radiators, dual fuel mineral and wood , room heaters, coal

Ground source heat pump, radiators, electric, Air source heat pump, underfloor, electric

Ground source heat pump, radiators, electric, air source heat pump, underfloor, electric

Boiler and underfloor heating, electric, Boiler and radiators, mains gas

Boiler and underfloor heating, electric, boiler and radiators, mains gas

Boiler and radiators, appliances able to use mineral oil or liquid biofuel

Boiler and radiators, oil, Water source heat pump, warm air, electric

Boiler and radiators, oil, water source heat pump, warm air, electric

Ground source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, Room heaters, wood logs

Ground source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, room heaters, wood logs

Water source heat pump, underfloor, electric, Boiler and radiators, mains gas

Water source heat pump, underfloor, electric, boiler and radiators, mains gas

Boiler & underfloor, mains gas, Air source heat pump, underfloor, electric

Boiler & underfloor, mains gas, air source heat pump, underfloor, electric

Boiler and underfloor heating, dual fuel (mineral and wood), Room heaters, electric

Boiler and underfloor heating, dual fuel mineral and wood , room heaters, electric

Boiler and radiators, wood logs, Boiler and underfloor heating, mains gas

Boiler and radiators, wood logs, boiler and underfloor heating, mains gas

Exhaust source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric

Exhaust source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric

Boiler and radiators, dual fuel (mineral and wood), Warm air, Electricaire

Boiler and radiators, dual fuel mineral and wood , warm air, electricaire

Air source heat pump, radiators and underfloor, electric, Air source heat pump, radiators, electric

Air source heat pump, radiators and underfloor, electric, air source heat pump, radiators, electric

Boiler and underfloor heating, mains gas, Warm air, Electricaire

Boiler and underfloor heating, mains gas, warm air, electricaire

Air source heat pump, fan coil units, electric, Boiler and radiators, mains gas

Air source heat pump, fan coil units, electric, boiler and radiators, mains gas

Air source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric, Room heaters, LPG

Air source heat pump, underfloor heating and radiators, pipes in screed above insulation, electric, room heaters, lpg

Air source heat pump, radiators and underfloor, electric, Boiler with radiators and underfloor heating, mains gas

Air source heat pump, radiators and underfloor, electric, boiler with radiators and underfloor heating, mains gas

Air source heat pump, warm air, electric, Boiler and radiators, anthracite

Air source heat pump, warm air, electric, boiler and radiators, anthracite

Air source heat pump, underfloor, electric, Boiler and underfloor heating, wood pellets

Air source heat pump, underfloor, electric, boiler and underfloor heating, wood pellets

Charging system linked to use of community heating, room thermostat only

Charging system linked to use of community heating, programmer and TRVs

Charging system linked to use of community heating, programmer and trvs

Charging system linked to use of community heating, programmer and room thermostat

Flat rate charging, programmer and at least two room thermostats

Charging system linked to the use of community heating, prog and TRVs

Charging system linked to the use of community heating, prog and trvs

Programmer and at least two room thermostats including a delayed start thermostat

Charging system linked to use of community heating, programmer and at least two room thermostats

Charging system linked to use of community heating, programmer and at least two room stats

Charging system linked to use of community heating, programmerand room thermostat

Charging system linked to the use of community heating, programmer and TRVs

Charging system linked to the use of community heating, programmer and trvs

Charging system linked to use of communit heating, programmer and TRVs

Charging system linked to use of communit heating, programmer and trvs

Charging system linked to use of communit heating, programmer and room thermostat

Charging system linked to use of communit heating, room thermostat only

Charging system linked to use of community heating, programmer?and TRVs

System dalu wediGÇÖi chysylltu +ó defnyddio gwres cymunedol, rhaglennydd a TRVs

Dim rheolaeth amser na rheolaeth thermostatig ar dymheredd yr ystafell

System dalu wediGÇÖi chysylltu +ó defnyddio gwres cymunedol, thermostat ystafell yn unig

Time and temperature zone control by suitable arrangement of plumbing and electrical services

Charging system linked to use of community heating, room thermostat and TRVs

Charging system linked to use of community heating, room thermostat and trvs

Flat rate charging, no time or thermostatic control of room temperature

System dalu wediGÇÖi chysylltu +ó defnyddio gwres cymunedol, rhaglennydd a thermostat ystafell

System dalu wediGÇÖi chysylltu +ó defnyddio gwres cymunedol, TRVs

Average thermal transmittance 0.13 W/m??K|Trawsyriannedd thermol cyfartalog 0.13 W/m??K

Average thermal transmittance 0.10 W/m??K|Trawsyriannedd thermol cyfartalog 0.10 W/m??K

Average thermal transmittance 0.11 W/m??K|Trawsyriannedd thermol cyfartalog 0.11 W/m??K

Average thermal transmittance 0.08 W/m??K|Trawsyriannedd thermol cyfartalog 0.08 W/m??K

Average thermal transmittance 0.35 W/m??K|Trawsyriannedd thermol cyfartalog 0.35 W/m??K

Waliau ceudod, fel yGÇÖu hadeiladwyd, inswleiddio rhannol (rhagdybiaeth)

Waliau ceudod, fel yGÇÖu hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Average thermal transmittance 0.31 W/m??K|Trawsyriannedd thermol cyfartalog 0.31 W/m??K

Briciau solet, fel y?u hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Waliau ceudod, fel yGÇÖu hadeiladwyd, wediGÇÖu hinswleiddio (rhagdybiaeth)

Ffram bren, fel y?u hadeiladwyd, inswleiddio rhannol (rhagdybiaeth)

Briciau solet, fel yGÇÖu hadeiladwyd, wediGÇÖu hinswleiddio (rhagdybiaeth)

Briciau solet, fel ygçöu hadeiladwyd, wedigçöu hinswleiddio (rhagdybiaeth)

Briciau solet, fel yGÇÖu hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Tywodfaen, fel yGÇÖu hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Waliau ceudod, fel y?u hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Wedi?u hadeiladu yn ol system, fel y?u hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Average thermal transmittance 0.30 W/m??K|Trawsyriannedd thermol cyfartalog 0.30 W/m??K

Waliau ceudod, fel y?u hadeiladwyd, wedi?u hinswleiddio (rhagdybiaeth)fel y?u hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Gwenithfaen neu risgraig, fel yGÇÖu hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Gwenithfaen neu risgraig, fel y?u hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Waliau ceudod, fel y?u hadeiladwyd, inswleiddio rhannol (rhagdybiaeth)

Average thermal transmittance 0.29 W/m??K|Trawsyriannedd thermol cyfartalog 0.29 W/m??K

Average thermal transmittance 0.28 W/m??K|Trawsyriannedd thermol cyfartalog 0.28 W/m??K

Average thermal transmittance 0.26 W/m??K|Trawsyriannedd thermol cyfartalog 0.26 W/m??K

Average thermal transmittance 0.27 W/m??K|Trawsyriannedd thermol cyfartalog 0.27 W/m??K

Ffr+óm bren, fel yGÇÖu hadeiladwyd, wediGÇÖu hinswleiddio (rhagdybiaeth)

WediGÇÖu hadeiladu yn +¦l system, fel yGÇÖu hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Waliau ceudod, fel y?u hadeiladwyd, wedi?u hinswleiddio (rhagdybiaeth)

Average thermal transmittance 0.39 W/m??K|Trawsyriannedd thermol cyfartalog 0.39 W/m??K

Ffr+óm bren, fel yGÇÖu hadeiladwyd, inswleiddio rhannol (rhagdybiaeth)

Waliau ceudod, fel y???u hadeiladwyd, wedi???u hinswleiddio (rhagdybiaeth)

Average thermal transmittance 0.50 W/m??K|Trawsyriannedd thermol cyfartalog 0.50 W/m??K

Average thermal transmittance 0.33 W/m??K|Trawsyriannedd thermol cyfartalog 0.33 W/m??K

WediGÇÖu hadeiladu yn +¦l system, fel yGÇÖu hadeiladwyd, wediGÇÖu hinswleiddio (rhagdybiaeth)

WediGÇÖu hadeiladu yn +¦l system, fel yGÇÖu hadeiladwyd, inswleiddio rhannol (rhagdybiaeth)

Average thermal transmittance 0.43 W/m??K|Trawsyriannedd thermol cyfartalog 0.43 W/m??K

Average thermal transmittance 0.34 W/m??K|Trawsyriannedd thermol cyfartalog 0.34 W/m??K

Average thermal transmittance 0.14 W/m?K|Trawsyriannedd thermol cyfartalog 0.14 W/m?K

Ffr+óm bren, fel yGÇÖu hadeiladwyd, dim inswleiddio (rhagdybiaeth)

Average thermal transmittance 1.60 W/m??K|Trawsyriannedd thermol cyfartalog 1.60 W/m??K

Average thermal transmittance 0.38 W/m??K|Trawsyriannedd thermol cyfartalog 0.38 W/m??K

Briciau solet, fel y?u hadeiladwyd, wedi?u hinswleiddio (rhagdybiaeth)

Average thermal transmittance 0.32 W/m??K|Trawsyriannedd thermol cyfartalog 0.32 W/m??K

Low energy lighting in 30% of fixed outlets|Goleuadau ynni-isel mewn 30% o'r mannau gosod

Low energy lighting in 75% of fixed outlets|Goleuadau ynni-isel mewn 75% o'r mannau gosod

Low energy lighting in 57% of fixed outlets|Goleuadau ynni-isel mewn 57% o'r mannau gosod

Low energy lighting in 100% of fixed outlets|Goleuadau ynni-isel mewn 100% o'r mannau gosod

Low energy lighting in 0% of fixed outlets|Goleuadau ynni-isel mewn 0% o'r mannau gosod

Low energy lighting in 42% of fixed outlets|Goleuadau ynni-isel mewn 42% o'r mannau gosod

Low energy lighting in 25% of fixed outlets|Goleuadau ynni-isel mewn 25% o'r mannau gosod

Low energy lighting in 37% of fixed outlets|Goleuadau ynni-isel mewn 37% o'r mannau gosod

Low energy lighting in 40% of fixed outlets|Goleuadau ynni-isel mewn 40% o'r mannau gosod

Low energy lighting in 50% of fixed outlets|Goleuadau ynni-isel mewn 50% o'r mannau gosod

Low energy lighting in 90% of fixed outlets|Goleuadau ynni-isel mewn 90% o'r mannau gosod