England and Wales: 1900-1929
rental (social)
Solid brick, as built, no insulation (assumed)
(other premises below)
No low energy lighting
(another dwelling above)
No system present: electric heaters assumed
Electric instantaneous at point of use
To be used only when there is no heating/hot-water system
Single glazed
not defined
rental
Solid brick, with internal insulation
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Community scheme
Community scheme
mains gas (community)
Fully double glazed
double glazing, unknown install date
Flat rate charging, TRVs