England and Wales: 1930-1949
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Multiple glazing throughout
not defined
Programmer, room thermostat and TRVs
not sale or rental
Cavity wall, filled cavity
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully triple glazed
triple glazing
Time and temperature zone control