England and Wales: 1900-1929
rental (private)
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and bypass