England and Wales: before 1900
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, LPG
From main system, no cylinder thermostat
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Mostly secondary glazing
secondary glazing
Programmer, TRVs and bypass
rental (private)
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 73% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Partial secondary glazing
secondary glazing
Programmer, room thermostat and TRVs