England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, 150 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, mains gas
Some double glazing
double glazing, unknown install date
Automatic charge control
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Some double glazing
double glazing, unknown install date
Manual charge control