England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 7% of fixed outlets
Pitched, 100 mm loft insulation
Room heaters, mains gas
Electric immersion, standard tariff
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
No thermostatic control of room temperature
following green deal
Cavity wall, with internal insulation
Solid, insulated
Low energy lighting in 96% of fixed outlets
Flat, insulated
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