England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 64% of fixed outlets
Pitched, 50 mm loft insulation
Room heaters, mains gas
Electric immersion, standard tariff
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature
non marketed sale
Solid brick, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control