England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system, plus solar, no cylinder thermostat
mains gas (not community)
Room heaters, coal
Partial double glazing
double glazing installed before 2002
Programmer and room thermostat
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system, plus solar, no cylinder thermostat
mains gas (not community)
Room heaters, wood logs
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and boiler energy manager