England and Wales: 1983-1990
ECO assessment
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 69% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
Electric immersion, standard tariff
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 68% of 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