England and Wales: 1976-1982
none of the above
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 250 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
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and boiler energy manager