England and Wales: 1950-1966
marketed sale
System built, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 91% of fixed outlets
Flat, no insulation (assumed)
Warm air, mains gas
Gas multipoint
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Programmer and at least two room thermostats
marketed sale
System built, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
(another dwelling above)
Warm air, mains gas
Gas multipoint
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat