England and Wales: 1930-1949
marketed sale
Cavity wall, filled cavity
(another dwelling below)
No low energy lighting
Pitched, no insulation (assumed)
No system present: electric heaters assumed
Electric immersion, off-peak
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
rental (private)
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs