England and Wales: 1950-1966
marketed sale
System built, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, coal
From main system, no cylinder thermostat
house coal (not community)
Fully double glazed
double glazing installed during or after 2002
No time or thermostatic control of room temperature
rental (social)
System built, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass