England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, 100 mm loft insulation
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Single glazed
not defined
marketed sale
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 12 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs