England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass