England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, no insulation
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Single glazed
not defined
No thermostatic control of room temperature
marketed sale
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer, room thermostat and TRVs