England and Wales: 1976-1982
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 9% of fixed outlets
Pitched, 50 mm loft insulation
Warm air, mains gas
Electric immersion, standard tariff
mains gas (not community)
Single glazed
not defined
Room thermostat only
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats