England and Wales: 1930-1949
marketed sale
System built, as built, no insulation (assumed)
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
Electric immersion, off-peak
bottled LPG
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
System built, with internal insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
Electric immersion, off-peak
bottled LPG
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs