England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 93% of fixed outlets
Pitched, no insulation (assumed)
Electric underfloor heating
Gas boiler/circulator, no cylinder thermostat
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Mostly double glazing
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 97% of fixed outlets
Pitched, no insulation (assumed)
Electric underfloor heating
Gas boiler/circulator
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Mostly double glazing
double glazing installed during or after 2002
Time and temperature zone control