England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system, plus solar
oil (not community)
Portable electric heaters (assumed)
Full secondary glazing
secondary glazing
Programmer and room thermostat
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system, plus solar
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs