England and Wales: 1900-1929
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 47% of fixed outlets
Pitched, 100 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Partial double glazing
double glazing installed before 2002
Appliance thermostats
marketed sale
Granite or whinstone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 47% of fixed outlets
Pitched, 100 mm loft insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Partial double glazing
double glazing installed before 2002
Appliance thermostats