England and Wales: 1983-1990
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 100 mm loft insulation
Warm air, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Single glazed
not defined
Programmer and room thermostat
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs