England and Wales: 1967-1975
rental (social)
Timber frame, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Flat, limited insulation (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
none of the above
Timber frame, with additional insulation
Solid, no insulation (assumed)
Low energy lighting in 44% of fixed outlets
Flat, insulated
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