England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Roof room(s), no insulation (assumed)
Room heaters, mains gas
Electric immersion, standard tariff
mains gas (not community)
Portable electric heaters (assumed)
Partial double glazing
double glazing installed before 2002
Appliance thermostats
rental (private)
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass