England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Room heaters, electric
Fully double glazed
double glazing, unknown install date
marketed sale
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in 70% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control