England and Wales: 1900-1929
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, TRVs and bypass
marketed sale
Cavity wall, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 84% of fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed during or after 2002
Time and temperature zone control