England and Wales: 1930-1949
none of the above
Cavity wall, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Room heaters, mains gas
Gas multipoint
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Appliance thermostats
none of the above
Cavity wall, filled cavity
(other premises below)
Low energy lighting in all fixed outlets
Pitched, 50 mm loft insulation
Room heaters, mains gas
Gas multipoint
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Appliance thermostats