England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
(another dwelling above)
Electric storage heaters
Gas instantaneous at point of use
electricity (not community)
Portable electric heaters (assumed)
Full secondary glazing
secondary glazing
Manual charge control
rental (private)
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 73% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs