England and Wales: before 1900
rental (private)
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control