England and Wales: 1976-1982
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 46% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, limited insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass