England and Wales: 1967-1975
marketed sale
Cavity wall, as built, partial insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 85% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
non marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs