England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Gas multipoint
electricity (not community)
Single glazed
not defined
Appliance thermostats
marketed sale
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of 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