England and Wales: before 1900
marketed sale
Timber frame, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, B30K
Electric immersion, standard tariff
B30K (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 96% of fixed outlets
Roof room(s), ceiling insulated
Boiler and radiators, oil
From main system
oil (not community)
Mostly secondary glazing
secondary glazing
Programmer, room thermostat and TRVs