England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
Gas multipoint
mains gas (not community)
Partial double glazing
double glazing installed before 2002
Programmer, no room thermostat
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 100 mm loft insulation
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002