England and Wales: before 1900
none of the above
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
rental
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs