England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
Pitched, 200 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, mains gas
Partial double glazing
double glazing, unknown install date
Manual charge control
RHI application
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, no 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
Mostly double glazing
double glazing installed before 2002