England and Wales: 2007-2011
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and underfloor heating, oil
From main system
oil (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
RHI application
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control