England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Pitched, 75 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Manual charge control
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 11% of fixed outlets
Pitched, 75 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
Fully double glazed
double glazing installed during or after 2002