England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 25% 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
Room thermostat only
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat