England and Wales: 1950-1966
rental (social)
Cavity wall, filled cavity
(another dwelling below)
No low energy lighting
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass
none of the above
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Controls for high heat retention storage heaters