England and Wales: 1950-1966
non marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 12 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Automatic charge control