England and Wales: 1950-1966
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, electric
Electric immersion, off-peak
electricity (not community)
Partial double glazing
not defined
Programmer, no room thermostat
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 73% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, electric
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Mostly double glazing
double glazing installed before 2002
TRVs and bypass