England and Wales: 1900-1929
rental
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Programmer, no room thermostat
rental
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed before 2002
No time or thermostatic control of room temperature