England and Wales: 1930-1949
marketed sale
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 31% of fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
marketed sale
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 84% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs