England and Wales: 1900-1929
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 47% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
Electric immersion, standard tariff
mains gas (not community)
Room heaters, mains gas
Fully secondary glazing
secondary glazing
Programmer and room thermostat
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Full secondary glazing
secondary glazing
Programmer and room thermostat