England and Wales: 1900-1929
marketed sale
Timber frame, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 35% of fixed outlets
Flat, limited insulation (assumed)
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Single glazed
not defined
Programmer and room thermostat
marketed sale
Timber frame, with additional insulation
Solid, insulated
Low energy lighting in 66% of fixed outlets
Flat, insulated (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs