England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, insulated
No low energy lighting
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial triple glazing
triple glazing
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer, room thermostat and TRVs