England and Wales: 1967-1975
rental (social)
System built, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 86% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
rental
Timber frame, as built, partial insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, limited insulation (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