England and Wales: 1983-1990
non marketed sale
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 83% of fixed outlets
Pitched, 200 mm loft insulation
Electric ceiling heating
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Room thermostat only
ECO assessment
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs