England and Wales: 1930-1949
rental (private)
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 270 mm loft insulation
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Mostly double glazing
double glazing, unknown install date
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 250 mm loft insulation
Electric storage heaters
Gas multipoint
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Controls for high heat retention storage heaters