England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 36% of fixed outlets
Pitched, no insulation
Room heaters, dual fuel (mineral and wood)
Electric immersion, standard tariff
dual fuel - mineral + wood
Portable electric heaters (assumed)
Single glazed
not defined
No thermostatic control of room temperature
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 350 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control