England and Wales: before 1900
none of the above
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 9% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, LPG
From main system, no cylinder thermostat
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system, no cylinder thermostat
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and bypass