England and Wales: before 1900
non marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
single glazing
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly multiple glazing
not defined
Programmer, room thermostat and TRVs