England and Wales: 1900-1929
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Single glazed
not defined
Programmer and room thermostat
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Single glazed
not defined
Programmer and room thermostat