England and Wales: 1967-1975
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
Electric immersion, standard tariff
mains gas (not community)
Fully secondary glazing
secondary glazing
Programmer, room thermostat and TRVs
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs