England and Wales: 1950-1966
rental (private)
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 82% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs