England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 17% of fixed outlets
Pitched, 150 mm loft insulation
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
house coal (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass