England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, wood logs
Fully double glazed
not defined
Manual charge control
none of the above
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs