England and Wales: 1996-2002
not sale or rental
Cavity wall, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, electric
From main system
electricity (not community)
Fully double glazed
not defined
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer and at least two room thermostats