England and Wales: 2012 onwards
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
non marketed sale
Cavity wall, filled cavity
Solid, insulated
Low energy lighting in all fixed outlets
Flat, insulated
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully triple glazed
triple glazing
Programmer, TRVs and bypass