England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, insulated (assumed)
Room heaters, mains gas
Electric immersion, off-peak
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs