England and Wales: before 1900
rental (private)
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Roof room(s), no insulation (assumed)
Boiler and radiators, LPG
From main system
bottled LPG
Room heaters, wood logs
Some double glazing
double glazing, unknown install date
Programmer and room thermostat
rental (private)
Granite or whinstone, with external insulation
Solid, insulated
Low energy lighting in 82% of fixed outlets
Roof room(s), insulated
Boiler and radiators, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Mostly double glazing
double glazing installed during or after 2002
TRVs and bypass