England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 65% of fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, underfloor, electric, Air source heat pump, underfloor, electric
From main system, no cylinder thermostat
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Time and temperature zone control
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 65% of fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, underfloor, electric, Air source heat pump, underfloor, electric
From main system, no cylinder thermostat
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Time and temperature zone control