England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 17% of fixed outlets
Pitched, no insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed before 2002
TRVs and bypass
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs