England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 29% of fixed outlets
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Automatic charge control
FiT application
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 23% of fixed outlets
Pitched, 50 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
Automatic charge control