England and Wales: 1967-1975
rental
Cavity wall, as built, partial insulation (assumed)
(another dwelling below)
Low energy lighting in 38% of fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Manual charge control
rental
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 78% of fixed outlets
Pitched, 250 mm loft insulation
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