England and Wales: 1930-1949
non marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
Electric immersion, off-peak
mains gas (not community)
Portable electric heaters (assumed)
Single glazed
not defined
Room thermostat only
non marketed sale
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control