England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Roof room(s), ceiling insulated
No system present: electric heaters assumed
Electric immersion, standard tariff, plus solar
To be used only when there is no heating/hot-water system or data is from a community network
Fully double glazed
double glazing, unknown install date
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Roof room(s), ceiling insulated
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff, plus solar
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
No thermostatic control of room temperature