England and Wales: 1930-1949
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 17% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Fully double glazed
double glazing installed before 2002
TRVs and bypass
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control