England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 20% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, warm air, electric
From main system
electricity (not community)
Single glazed
not defined
Room thermostat only
marketed sale
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs