England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system, no cylinder thermostat
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
No time or thermostatic control of room temperature
rental (private)
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Full secondary glazing
secondary glazing
Programmer, TRVs and bypass