England and Wales: before 1900
rental
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Partial secondary glazing
secondary glazing
Programmer and room thermostat
rental
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 58% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Some secondary glazing
secondary glazing
Programmer, room thermostat and TRVs