England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Partial double glazing
double glazing installed during or after 2002
Manual charge control
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass