England and Wales: 1950-1966
none of the above
Cavity wall, as built, no insulation (assumed)
(other premises 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, unknown install date
Manual charge control
none of the above
Cavity wall, filled cavity
(other premises below)
No low energy lighting
Pitched, 300+ mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Manual charge control