England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, 50 mm loft insulation
Warm air, mains gas
Electric immersion, standard tariff
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 79% of fixed outlets
Pitched, 270 mm loft insulation
Warm air, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat