England and Wales: 1967-1975
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Flat, limited insulation (assumed)
Warm air, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Flat, limited insulation (assumed)
Warm air, mains gas
Electric immersion, off-peak
mains gas (not community)
Mostly double glazing
double glazing, unknown install date
Programmer and room thermostat