England and Wales: 1967-1975
non marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 87% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, LPG
Electric immersion, off-peak
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 26% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs