England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Partial double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 41% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, coal
Single glazed
not defined
Programmer, TRVs and bypass