England and Wales: 1996-2002
marketed sale
Granite or whinstone, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 52% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Granite or whinstone, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, insulated (assumed)
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass