England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
(another dwelling above)
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Some secondary glazing
secondary glazing
rental
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
TRVs and bypass