England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 29% of fixed outlets
Pitched, 25 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Appliance thermostats
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs