England and Wales: 1983-1990
none of the above
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 13% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 270 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Mostly double glazing
double glazing installed during or after 2002
Programmer, TRVs and bypass