England and Wales: 1983-1990
marketed sale
Solid brick, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, insulated (assumed)
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer and appliance thermostats
marketed sale
Sandstone or limestone, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, coal
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs