England and Wales: before 1900
rental (private)
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 17% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
none of the above
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 17% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, TRVs and bypass