England and Wales: 1950-1966
none of the above
Cavity wall, with external insulation
(another dwelling below)
No low energy lighting
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Controls for high heat retention storage heaters
none of the above
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 25% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, electric
From main system, no cylinder thermostat
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs