England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, mains gas
Single glazed
single glazing
Programmer and room thermostat
rental (private)
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 82% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass