England and Wales: before 1900
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Pitched, 50 mm loft insulation
Room heaters, wood logs
Oil boiler/circulator, no cylinder thermostat
wood logs
Portable electric heaters (assumed)
Single glazed
not defined
No thermostatic control of room temperature
rental
Cavity wall, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 350 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass