England and Wales: 1930-1949
rental (social)
Timber frame, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial secondary glazing
secondary glazing
Programmer, no room thermostat
rental
Timber frame, with additional insulation
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs