England and Wales: 1900-1929
rental
Solid brick, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 73% of fixed outlets
Flat, no insulation (assumed)
No system present: electric heaters assumed
Electric instantaneous at point of use
To be used only when there is no heating/hot-water system or data is from a community network
Mostly double glazing
double glazing, unknown install date
rental
Solid brick, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Flat, no insulation (assumed)
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Manual charge control