England and Wales: before 1900
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 7% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 7% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass