England and Wales: 1900-1929
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 300+ mm loft insulation
Boiler and radiators, wood chips
From main system, no cylinder thermostat
wood chips
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs
non marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs