England and Wales: before 1900
rental (private)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 35% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer, TRVs and bypass
rental (private)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer and room thermostat