England and Wales: before 1900
marketed sale
System built, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 35% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing installed before 2002
Programmer and at least two room thermostats
marketed sale
Cob, as built
Suspended, no insulation (assumed)
Low energy lighting in 35% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing installed before 2002
Programmer and at least two room thermostats