England and Wales: 1950-1966
none of the above
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 25% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, electric
From main system, no cylinder thermostat
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Cavity wall, filled cavity and external insulation
(another dwelling below)
Low energy lighting in 75% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, electric
From main system, no cylinder thermostat
electricity (not community)
High performance glazing
double, known data
Programmer, room thermostat and TRVs