England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Thatched, with additional insulation
Boiler and radiators, oil
From main system
oil (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs
marketed sale
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Thatched, with additional insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs