England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Manual charge control
marketed sale
Solid brick, with internal insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Time and temperature zone control