England and Wales: 1930-1949
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
Stock Condition Survey
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat