England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Roof room(s), no insulation (assumed)
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Full secondary glazing
secondary glazing
Manual charge control
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Roof room(s), no insulation (assumed)
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Full secondary glazing
secondary glazing
Controls for high heat retention storage heaters