England and Wales: 1900-1929
rental (private)
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in 88% of fixed outlets
(another dwelling above)
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer and at least two room thermostats
rental
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 55% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Single glazed
not defined
Programmer, TRVs and bypass