England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 75 mm loft insulation
Room heaters, mains gas
Electric immersion, off-peak
mains gas (not community)
Portable electric heaters (assumed)
Single glazed
not defined
Appliance thermostats
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs