England and Wales: 1930-1949
FiT application
Cavity wall, with internal insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer and room thermostat
RHI application
Cavity wall, with internal insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 400 mm loft insulation
Electric underfloor heating
Electric immersion, standard tariff, plus solar
electricity (not community)
Portable electric heaters (assumed)
Fully triple glazed
triple glazing
Time and temperature zone control