England and Wales: 1983-1990
marketed sale
Cavity wall, as built, partial insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, limited insulation (assumed)
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Partial secondary glazing
secondary glazing
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer, room thermostat and TRVs