England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 91% of fixed outlets
Roof room(s), ceiling insulated
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, oil
Single glazed
not defined
Programmer, room thermostat and TRVs
not sale or rental
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 82% of fixed outlets
Roof room(s), no insulation (assumed)
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Room heaters, electric
Single glazed
not defined
Controls for high heat retention storage heaters