England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation
Boiler and radiators, dual fuel (mineral and wood)
Electric immersion, standard tariff
dual fuel - mineral + wood
Room heaters, coal
Some double glazing
double glazing installed during or after 2002
TRVs and bypass
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Boiler and radiators, coal
From main system
house coal (not community)
Room heaters, coal
Some double glazing
double glazing, unknown install date
TRVs and bypass