England and Wales: 1967-1975
not sale or rental
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 25% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
rental
Cavity wall, with external insulation
(another dwelling below)
Low energy lighting in 88% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
High performance glazing
double, known data
Programmer, room thermostat and TRVs