England and Wales: 1930-1949
none of the above
Solid brick, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
none of the above
Cavity wall, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 33% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and bypass