England and Wales: before 1900
rental
Solid brick, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
none of the above
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, insulated
Boiler and radiators, LPG
From main system
LPG (not community)
High performance glazing
double, known data
Programmer, room thermostat and TRVs