England and Wales: before 1900
none of the above
Sandstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, smokeless fuel
Some double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Sandstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 300+ mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, smokeless fuel
Some double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs