England and Wales: 1930-1949
non marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 50 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 and room thermostat
non marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 50 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 and room thermostat