England and Wales: 1930-1949
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
Gas multipoint
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
Gas multipoint
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass