England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Partial double glazing
double glazing installed before 2002
Manual charge control
rental
Granite or whinstone, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, TRVs and bypass