England and Wales: 1983-1990
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 350 mm loft insulation
Electric underfloor heating
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 65% of fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters, Electric underfloor heating
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Manual charge control