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Underfloor with condensing oil boiler



  • Registered Users Posts: 3 SusanY

    ok thank you that’s interesting

  • Registered Users Posts: 21,249 ✭✭✭✭Water John

    Would only change if you're doing other house upgrades with grant. B3 isn't too bad, may just be something like open fireplace or old windows and doors.

  • Registered Users Posts: 3 SusanY

    The advisory does mention maybe external doors could be improved