England and Wales: before 1900
non marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, no insulation
Room heaters, mains gas
Electric immersion, standard tariff
mains gas (not community)
Room heaters, mains gas
Partial double glazing
double glazing installed before 2002
No thermostatic control of room temperature
rental
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 85% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Mostly double glazing
double glazing installed during or after 2002
TRVs and bypass