England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated
Boiler and radiators, dual fuel (mineral and wood), Boiler and underfloor heating, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Multiple glazing throughout
not defined
Programmer, room thermostat and TRVs
ECO assessment
Granite or whinstone, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Roof room(s), no insulation (assumed)
Boiler and underfloor heating, electric, Boiler and radiators, wood logs
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs