England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 40% of fixed outlets
(another dwelling above)
Boiler and radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
rental
Cavity wall, with internal insulation
(other premises below)
Low energy lighting in 50% of fixed outlets
(another dwelling above)
Boiler and radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs