England and Wales: 2012 onwards
marketed sale
Cavity wall, filled cavity and internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Roof room(s), insulated
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer and at least two room thermostats
marketed sale
Cavity wall, filled cavity and internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer and at least two room thermostats