England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 54% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, smokeless fuel
Some double glazing
double glazing, unknown install date
Programmer and room thermostat
not sale or rental
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control