England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
Stock condition survey
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 54% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Mostly double glazing
not defined
Programmer, room thermostat and TRVs