England and Wales: before 1900
marketed sale
Sandstone or limestone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 29% of fixed outlets
Pitched, 100 mm loft insulation
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
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Ground source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat