England and Wales: before 1900
non marketed sale
Sandstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 14% of fixed outlets
Pitched, 12 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
TRVs and bypass
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs