England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, wood chips
From main system
wood chips
Room heaters, wood logs
Partial secondary glazing
secondary glazing
Programmer, room thermostat and TRVs
non marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, wood chips
From main system
wood chips
Room heaters, wood logs
Partial secondary glazing
secondary glazing
Programmer, room thermostat and TRVs