England and Wales: 1976-1982
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 18% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, mains gas
Partial double glazing
double glazing installed before 2002
Programmer, no room thermostat
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 95% of fixed outlets
Flat, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs