England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 15% of fixed outlets
Pitched, no insulation (assumed)
Ground source heat pump, radiators, electric
Oil boiler/circulator
electricity (not community)
Room heaters, wood logs
Single glazed
not defined
Programmer, TRVs and bypass
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 15% of fixed outlets
Pitched, no insulation (assumed)
Ground source heat pump, radiators, electric
Oil boiler/circulator
electricity (not community)
Room heaters, wood logs
Single glazed
not defined
Programmer, TRVs and bypass