England and Wales: 1930-1949
rental
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
rental
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass