England and Wales: 1950-1966
not sale or rental
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 85% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Single glazed
not defined
Programmer, TRVs and bypass
ECO assessment
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 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, TRVs and bypass