England and Wales: 1976-1982
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 350 mm loft insulation
Room heaters, electric
Gas instantaneous at point of use
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats