England and Wales: before 1900
RHI application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), no insulation (assumed)
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Room heaters, wood logs
Single glazed
not defined
Time and temperature zone control
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas
From main system, plus solar
mains gas (not community)
Single glazed
not defined
Programmer, TRVs and bypass