England and Wales: 1996-2002
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 40% of fixed outlets
(another dwelling above)
Boiler and radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
rental (private)
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Flat, insulated (assumed)
Boiler and radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs