England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 21% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, wood chips
From main system, no cylinder thermostat
wood chips
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 21% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, wood chips
From main system, no cylinder thermostat
wood chips
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, no room thermostat