England and Wales: before 1900
rental (private)
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 40% of fixed outlets
Pitched, limited insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Partial secondary glazing
secondary glazing
Manual charge control
rental
Timber frame, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, 100 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Partial secondary glazing
secondary glazing
Manual charge control