England and Wales: 1900-1929
marketed sale
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in 93% of fixed outlets
Pitched, 400+ mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 97% of fixed outlets
Pitched, 400+ mm loft insulation
Air source heat pump, radiators, electric, Electric underfloor heating
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control