England and Wales: 1983-1990
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, oil
From main system, plus solar
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Sandstone or limestone, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control