England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 37% of fixed outlets
Pitched, insulated
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs