England and Wales: 1900-1929
rental (social)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 80% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Full secondary glazing
secondary glazing
Programmer, TRVs and bypass
rental (social)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 80% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Full secondary glazing
secondary glazing
Programmer, room thermostat and TRVs