England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
Gas range cooker, no cylinder thermostat
mains gas (not community)
Room heaters, electric
Some secondary glazing
secondary glazing
TRVs and bypass
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 64% 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