England and Wales: 1983-1990
marketed sale
Timber frame, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, limited insulation (assumed)
Warm air, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
Timber frame, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 60% 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