England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 83% of fixed outlets
Pitched, 150 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Some secondary glazing
secondary glazing
Manual charge control
marketed sale
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats