England and Wales: 1900-1929
rental (private)
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
rental (private)
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
No system present: electric immersion assumed
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass