England and Wales: 1996-2002
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system or data is from a community network
Fully double glazed
double glazing, unknown install date