England and Wales: 1991-1995
marketed sale
Sandstone, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, insulated (assumed)
Boiler and underfloor heating, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control
RHI application
Granite or whinstone, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 150 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control