England and Wales: before 1900
rental (private)
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, wood logs
From main system, no cylinder thermostat
wood logs
Room heaters, electric
Full secondary glazing
secondary glazing
TRVs and bypass
rental (private)
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
Full secondary glazing
secondary glazing
Programmer, room thermostat and TRVs