England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
assessment for green deal
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 64% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system, waste water heat recovery
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass