England and Wales: 1967-1975
none of the above
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing, unknown install date
TRVs and bypass
rental (social)
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 80% of fixed outlets
Pitched, 250 mm loft insulation
Community scheme
Community scheme
mains gas (community)
Fully double glazed
double glazing, unknown install date
Flat rate charging, TRVs