England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 62% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
Gas multipoint
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
FiT application
Granite or whinstone, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
TRVs and bypass