England and Wales: 1930-1949
non marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
Electric immersion, standard tariff
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
Gas boiler/circulator
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control