England and Wales: 1930-1949
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Pitched, 200 mm loft insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing, unknown install date
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs