England and Wales: 1900-1929
none of the above
Solid brick, as built, no insulation (assumed)
Solid, insulated (assumed)
No low energy lighting
Pitched, no insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat