England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Portable electric heaters (assumed)
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs
ECO assessment
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 150 mm loft insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Mostly double glazing
double glazing installed before 2002