England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 13% of fixed outlets
Pitched, limited insulation (assumed)
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, unknown install date
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs