England and Wales: 1900-1929
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Flat, limited insulation (assumed)
No system present: electric heaters assumed
Gas range cooker
To be used only when there is no heating/hot-water system or data is from a community network
Fully double glazed
double glazing installed before 2002
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs