England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 8% of fixed outlets
Pitched, 100 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 during or after 2002
Programmer and room thermostat
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 23% of fixed outlets
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs