England and Wales: before 1900
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and underfloor heating, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and underfloor heating, mains gas, Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control