England and Wales: 1930-1949
non marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 12 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
No time or thermostatic control of room temperature
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas, Electric storage heaters
From main system, no cylinder thermostat
mains gas (not community)
Full secondary glazing
secondary glazing
Programmer and room thermostat