England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Solid brick, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs