England and Wales: before 1900
rental
Sandstone or limestone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Roof room(s), insulated
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, electric
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
rental
Sandstone or limestone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass