England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Single glazed
not defined
Programmer and room thermostat
marketed sale
Solid brick, with internal insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Air source heat pump, underfloor, electric
From main system, plus solar
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control