England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 13% of fixed outlets
Pitched, no insulation (assumed)
No system present: electric heaters assumed
Electric instantaneous at point of use
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, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 53% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs