England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 84% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 84% of fixed outlets
Pitched, 350 mm loft insulation
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs