England and Wales: 1967-1975
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, 12 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Portable electric heaters (assumed)
Single glazed
not defined
Programmer and appliance thermostats
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 270 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, TRVs and bypass