England and Wales: 1996-2002
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 29% of fixed outlets
Pitched, 150 mm loft insulation
Room heaters, dual fuel (mineral and wood)
Electric immersion, standard tariff
dual fuel - mineral + wood
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature
none of the above
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, 100 mm loft insulation
Room heaters, dual fuel (mineral and wood)
Electric immersion, standard tariff
dual fuel - mineral + wood
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature