England and Wales: 1900-1929
rental (private)
Solid brick, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 40% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Some secondary glazing
secondary glazing
Programmer, TRVs and bypass
rental (private)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 25% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial secondary glazing
secondary glazing
Programmer, TRVs and bypass