England and Wales: 1991-1995
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 79% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, anthracite
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs
RHI application
Cavity wall, as built, insulated (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 400+ 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