England and Wales: 1967-1975
not sale or rental
Cavity wall, filled cavity and internal insulation
Solid, no insulation (assumed)
No low energy lighting
Pitched, 400 mm loft insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
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
not sale or rental
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass