England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 50 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Single glazed
not defined
rental (private)
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs