England and Wales: before 1900
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Manual charge control
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Manual charge control