England and Wales: 1967-1975
rental
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs
non marketed sale
Cavity wall, filled cavity
Solid, insulated
Low energy lighting in all fixed outlets
Roof room(s), insulated (assumed)
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Full secondary glazing
secondary glazing
Programmer, TRVs and bypass