England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, 12 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, coal
Partial double glazing
double glazing installed before 2002
Programmer and room thermostat
non marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 47% of fixed outlets
Pitched, limited insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Mostly double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs