England and Wales: 1900-1929
marketed sale
Solid brick, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Room heaters, dual fuel (mineral and wood)
Multiple glazing throughout
not defined
Programmer, TRVs and bypass
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in 81% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and underfloor heating, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Mostly secondary glazing
secondary glazing
Programmer, TRVs and bypass