England and Wales: 1900-1929
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, 200 mm loft insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Room heaters, mains gas
Partial double glazing
double glazing installed before 2002
Appliance thermostats
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass