England and Wales: 1900-1929
non marketed sale
Solid brick, with internal insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 300 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
non marketed sale
Solid brick, with internal insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Partial double glazing
double glazing installed during or after 2002
Time and temperature zone control