England and Wales: before 1900
non marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
Boiler and radiators, oil
Oil boiler/circulator
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass