England and Wales: 1950-1966
rental (social)
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 100% of fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
rental (social)
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 86% of fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass