England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Cavity wall, filled cavity
Solid, insulated
Low energy lighting in 95% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and underfloor heating, mains gas, Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control