England and Wales: 2003-2006
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 6% of fixed outlets
Pitched, 100 mm loft insulation
Warm air, Electricaire
From main system
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat
marketed sale
System built, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Flat, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass