England and Wales: 1900-1929
rental (private)
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 46% of fixed outlets
Flat, no insulation (assumed)
Boiler and radiators, mains gas
No system present: electric immersion assumed
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Room thermostat only
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 40% 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
TRVs and bypass