England and Wales: 1983-1990
non marketed sale
Timber frame, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
Programmer, room thermostat and TRVs
non marketed sale
Timber frame, with additional insulation
Solid, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs