England and Wales: before 1900
marketed sale
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
marketed sale
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass