England and Wales: 1976-1982
none of the above
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, anthracite
From main system, no cylinder thermostat
anthracite
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
none of the above
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, anthracite
From main system, no cylinder thermostat
anthracite
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass