England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, limited insulation (assumed)
Boiler and radiators, oil
Electric immersion, off-peak
oil (not community)
Fully double glazed
not defined
Programmer, TRVs and bypass
marketed sale
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control