England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Pitched, 150 mm loft insulation
Room heaters, mains gas
Gas instantaneous at point of use
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Appliance thermostats
rental (private)
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 11% of fixed outlets
Pitched, 150 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