England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Roof room(s), ceiling insulated
Boiler and radiators, LPG
From main system
bottled LPG
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Roof room(s), ceiling insulated
Boiler and radiators, bottled LPG
From main system
bottled LPG
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass