England and Wales: before 1900
marketed sale
Cavity wall, filled cavity and internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, LPG
From main system, plus solar
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity and internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 93% of fixed outlets
Pitched, 200 mm loft insulation
Portable electric heaters assumed for most rooms
No system present: electric immersion assumed
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature