England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 33% of fixed outlets
(another dwelling above)
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Single glazed
not defined
rental
Solid brick, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs