England and Wales: 1900-1929
marketed sale
Timber frame, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Some double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs
rental
Cavity wall, as built, insulated (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats