England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 50 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
Solid brick, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 270 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