England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
To unheated space, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Flat, limited insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
rental (private)
Cavity wall, filled cavity and internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Flat, limited insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs