England and Wales: before 1900
rental
Granite or whinstone, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
rental
Granite or whinstone, with internal insulation
To unheated space, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs