England and Wales: before 1900
marketed sale
Solid brick, with internal insulation
Solid, no insulation (assumed)
No low energy lighting
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Solid brick, with internal insulation
Solid, no insulation (assumed)
No low energy lighting
Flat, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs