England and Wales: 1983-1990
none of the above
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
ECO assessment
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, 12 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs