England and Wales: 1900-1929
none of the above
Solid brick, with internal insulation
Suspended, insulated
Low energy lighting in 95% of fixed outlets
Roof room(s), insulated
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, insulated
Low energy lighting in 95% of fixed outlets
Roof room(s), insulated
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass