England and Wales: before 1900
marketed sale
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in 50% of fixed outlets
Roof room(s), insulated (assumed)
Electric underfloor heating
Electric immersion, standard tariff
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
Programmer and room thermostat
rental
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in 89% of fixed outlets
Pitched, 200 mm loft insulation
Electric underfloor heating
Electric immersion, standard tariff
electricity (not community)
Room heaters, wood logs
Single glazed
not defined
Temperature zone control