England and Wales: before 1900
none of the above
Granite or whinstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Partial double glazing
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Granite or whinstone, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 77% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Programmer and room thermostat