England and Wales: 1976-1982
none of the above
Timber frame, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 7% of fixed outlets
Pitched, no insulation
No system present: electric heaters assumed
Electric immersion, off-peak
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Roof room(s), 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