England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
To external air, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
(another dwelling above)
Electric underfloor heating
No system present: electric immersion assumed
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Cavity wall, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 42% of fixed outlets
(another dwelling above)
Electric underfloor heating
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control