England and Wales: before 1900
rental (private)
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, no insulation (assumed)
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Programmer and at least two room thermostats
rental (private)
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Flat, insulated
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Programmer and at least two room thermostats