England and Wales: 1900-1929
none of the above
Solid brick, with external insulation
Suspended, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
rental
Solid brick, with external insulation
Suspended, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass