England and Wales: 1976-1982
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
ECO assessment
Sandstone or limestone, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, wood logs
From main system, no cylinder thermostat
wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs