England and Wales: before 1900
none of the above
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 44% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs
none of the above
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 44% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs