England and Wales: 1950-1966
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 9% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
ECO assessment
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 350 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and bypass