England and Wales: 1967-1975
marketed sale
System built, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 200 mm loft insulation
Warm air, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
Timber frame, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 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, room thermostat and TRVs