England and Wales: 1930-1949
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
No low energy lighting
Pitched, no insulation
Boiler and radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
rental (social)
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Pitched, 250 mm loft insulation
Ground source heat pump, radiators, electric
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass