England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 29% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Timber frame, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 36% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and boiler energy manager