England and Wales: before 1900
non marketed sale
Sandstone or limestone, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Room heaters, electric
Single glazed
not defined
Programmer and room thermostat
non marketed sale
Sandstone or limestone, with internal insulation
Solid, insulated
Low energy lighting in 75% of fixed outlets
Pitched, insulated
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Some double glazing
double glazing installed before 2002
Time and temperature zone control