England and Wales: before 1900
none of the above
Sandstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Granite or whinstone, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 17% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing, unknown install date
TRVs and bypass