England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 100 mm loft insulation
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Automatic charge control
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 96% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs