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subsidence in house after renovation - assessment needed

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  • 24-01-2019 7:57pm
    #1
    Aaargh123
    Registered Users Posts: 16 ✭


    We bought had renovations undertaken on a 100 year old house - supporting wall removed and replaced with RSJ. We are now experiencing cracking in parts of the house.

    I would imagine we're going to have to suck this up ourselves, or sue the builder via their insurance.

    In the meantime, what should we be doing:
    1) getting assessment by structural engineer
    2) getting a plan for remediation written by the engineer?

    Does anyone have experience of this, and how much it cost? Could anyone recommend a company that might be able to help with this?

    We're in central Dublin.

    thanks a mill
    Tagged:


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    #2
    camroc76
    Registered Users Posts: 130 ✭✭camroc76


    100 year old house, so 1919 or thereabouts...

    I would have a read of the following documentation (can be found online easily enough)

    BRE Digest 51,

    Crack widths vary with an older house you just have to live with them.

    Site Visit: €150 plus VAT @ 23%

    Written Report & Recommendations say: €420.00 plus VAT @ 23%


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    #3
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,204 Mod ✭✭✭✭godtabh


    Who designed the RSJ?


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    #4
    Aaargh123
    Registered Users Posts: 16 ✭Aaargh123


    thanks both. A very nice structural engineer visited. House not going to fall down. RSJ possibly flexing. (builder specced it, not an engineer... you live and learn...)


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    #5
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,204 Mod ✭✭✭✭godtabh


    Who provides the cert then if you ever wanted to sell it? A builder isnt a designer as you are finding out and wont be able to give a design cert

    Depending on ho under designed the beam will bend with certain tolerances. Can have issues with plaster, finishes etc


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