England and Wales: 1900-1929
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
Solid fuel boiler/circulator
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass