England and Wales: 1983-1990
marketed sale
Timber frame, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 350 mm loft insulation
Boiler and radiators, LPG
From main system, no cylinder thermostat
LPG (not community)
Room heaters, LPG
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
non marketed sale
Timber frame, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs