England and Wales: before 1900
marketed sale
Sandstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Some double glazing
double glazing installed before 2002
No time or thermostatic control of room temperature
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 79% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs