England and Wales: 2007-2011
rental (social)
System built, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 25% of fixed outlets
Flat, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
Stock condition survey
System built, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 80% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs