England and Wales: 2007 onwards
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
No low energy lighting
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs