England and Wales: 1976-1982
marketed sale
Timber frame, as built, partial insulation (assumed)
To external air, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Mostly double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, as built, partial insulation (assumed)
To external air, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Full secondary glazing
secondary glazing
Programmer and room thermostat