England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 250 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing, unknown install date
Manual charge control
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Electric storage heaters
From secondary system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing, unknown install date
Controls for high heat retention storage heaters