England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in 86% of fixed outlets
Pitched, insulated at rafters
Electric underfloor heating
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing, unknown install date
Programmer and room thermostat
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Electric underfloor heating
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control