England and Wales: 1950-1966
marketed sale
System built, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
Gas multipoint
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
System built, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 36% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
Gas multipoint
mains gas (not community)
Room heaters, mains gas
Fully double glazed
not defined
Programmer, room thermostat and TRVs