England and Wales: 1983-1990
marketed sale
Timber frame, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 100 mm loft insulation
Warm air, mains gas
Electric immersion, off-peak
mains gas (not community)
Single glazed
not defined
Programmer and room thermostat
marketed sale
Timber frame, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs