England and Wales: 1950-1966
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 62% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 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
Single glazed
not defined