England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood), Boiler and radiators, electric
From main system, plus solar
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed before 2002
Room thermostat only
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood), Boiler and radiators, electric
From main system, plus solar
dual fuel - mineral + wood
Portable electric heaters (assumed)
Partial double glazing
double glazing installed before 2002
Room thermostat only