England and Wales: before 1900
rental (private)
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, insulated at rafters
Boiler and radiators, coal
From main system
house coal (not community)
Room heaters, coal
Mostly double glazing
double glazing, unknown install date
Programmer, TRVs and bypass
rental (private)
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Mostly double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs