England and Wales: 1900-1929
rental
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 33% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial secondary glazing
secondary glazing
Time and temperature zone control
rental
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 67% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Full secondary glazing
secondary glazing
Programmer, room thermostat and TRVs