England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, dual fuel (mineral and wood)
No system present: electric immersion assumed
dual fuel - mineral + wood
Room heaters, electric
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, no insulation
Boiler and radiators, electric
From main system, plus solar
electricity (not community)
Room heaters, electric
Partial double glazing
double glazing, unknown install date
Room thermostat only