England and Wales: 1900-1929
rental (private)
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 55% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed before 2002
TRVs and bypass
rental
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing, unknown install date
Programmer, TRVs and bypass