England and Wales: 1950-1966
marketed sale
Solid brick, with external insulation
To unheated space, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Room thermostat only