England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer and at least two room thermostats