England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 400 mm loft insulation
Electric underfloor heating
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Cavity wall, filled cavity
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 400 mm loft insulation
Electric underfloor heating
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control