England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Manual charge control
none of the above
Granite or whinstone, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs