England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 77% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass