England and Wales: 2012 onwards
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 79% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and underfloor heating, oil, Boiler and radiators, oil
From main system, plus solar
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 85% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and underfloor heating, oil, Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats