England and Wales: 1996-2002
none of the above
Cavity wall, as built, partial insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
Electric immersion, standard tariff, plus solar
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
No low energy lighting
Pitched, 200 mm loft insulation
Air source heat pump, underfloor, electric
From main system, no cylinder thermostat
electricity (not community)
Fully double glazed
double glazing, unknown install date
No time or thermostatic control of room temperature