England and Wales: 1976-1982
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 350 mm loft insulation
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Room heaters, dual fuel (mineral and wood)
Fully triple glazed
triple glazing
Programmer, room thermostat and TRVs