England and Wales: 1950-1966
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
(another dwelling above)
Boiler and radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Cavity wall, filled cavity and external insulation
Solid, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
(another dwelling above)
Boiler and radiators, electric
From main system
electricity (not community)
Room heaters, electric
High performance glazing
double, known data
Programmer, room thermostat and TRVs