England and Wales: before 1900
rental
Granite or whinstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, wood pellets
From main system, plus solar
bulk wood pellets
Room heaters, dual fuel (mineral and wood)
Fully triple glazed
triple glazing
Programmer, room thermostat and TRVs
rental
Granite or whinstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, wood pellets
From main system, plus solar
bulk wood pellets
Room heaters, dual fuel (mineral and wood)
Fully triple glazed
triple glazing
Programmer, room thermostat and TRVs