England and Wales: 1900-1929
non marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
No system present: electric immersion assumed
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, no room thermostat