England and Wales: 1976-1982
rental
Cavity wall, as built, partial insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Manual charge control
rental
Cavity wall, as built, partial insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 150 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