England and Wales: 1930-1949
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 85% of fixed outlets
Flat, no insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass