England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 11% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, insulated
Low energy lighting in 78% of fixed outlets
Pitched, 150 mm loft insulation
Room heaters, wood logs
Solid fuel boiler/circulator, plus solar
wood logs
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature