England and Wales: before 1900
none of the above
Granite or whinstone, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 80% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
rental (private)
Sandstone or limestone, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 75% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass