England and Wales: before 1900
marketed sale
Solid brick, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 61% of fixed outlets
Pitched, insulated at rafters
Boiler and underfloor heating, LPG
Electric immersion, standard tariff
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 5% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs