England and Wales: before 1900
rental
Granite or whinstone, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 43% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Partial secondary glazing
secondary glazing
Programmer, TRVs and bypass
marketed sale
Timber frame, with additional insulation
(another dwelling below)
Low energy lighting in 60% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
not defined
Programmer, TRVs and bypass