England and Wales: 1967-1975
marketed sale
Timber frame, as built, partial insulation (assumed)
To unheated space, no insulation (assumed)
No low energy lighting
Flat, limited insulation (assumed)
Warm air, Electricaire
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Room thermostat only
marketed sale
Timber frame, as built, partial insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, limited insulation (assumed)
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