England and Wales: 1950-1966
marketed sale
System built, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 11% 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, TRVs and bypass
following green deal
System built, with external insulation
(another dwelling below)
Low energy lighting in 11% 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, TRVs and bypass