England and Wales: 1900-1929
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 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