England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Some double glazing
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 45% of fixed outlets
Pitched, 150 mm loft insulation
Boiler, oil
From main system
oil (not community)
Room heaters, wood logs
Single glazed
not defined
Programmer, room thermostat and TRVs