England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 17% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, mains gas
Gas multipoint
mains gas (not community)
Portable electric heaters (assumed)
Single glazed
not defined
Appliance thermostats
rental (private)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
TRVs and bypass