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Building over an existing extension

  • 24-05-2009 7:19pm
    #1
    Kipperhell
    Closed Accounts Posts: 1,477 ✭✭✭


    I am thinking of extending the bath room over an existing extension but I am not sure of the foundations. It is currently a cavity block extension but I am not sure how best to check the foundation or what they should be for the additional extension. Who should I check with?


Comments

  • #2
    picorette
    Registered Users, Registered Users 2 Posts: 140 ✭✭picorette


    A Structural Engineer.


  • #3
    Carlow52
    Closed Accounts Posts: 2,389 ✭✭✭Carlow52


    What is the roof on the extension?


  • #4
    Kipperhell
    Closed Accounts Posts: 1,477 ✭✭✭Kipperhell


    Carlow52 wrote: »
    What is the roof on the extension?
    Flat roof


  • #5
    Kricket
    Closed Accounts Posts: 27 ✭Kricket


    is it a timberframed extention then i would not see a structural problem please specify


  • #6
    Kipperhell
    Closed Accounts Posts: 1,477 ✭✭✭Kipperhell


    Kricket wrote: »
    is it a timberframed extention then i would not see a structural problem please specify

    I was thinking about block construction but am not fixed on anything yet. My main concern is that if I need to underpin. Essentially I am looking for the best option to keep costs down


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  • #7
    Jimbo
    Closed Accounts Posts: 2,379 ✭✭✭Jimbo


    The only way of knowing is to excavate at a couple of points around the wall and expose the foundation.
    For all you know, there could be little or no foundation underneath and adding more weight to the structure could cause problems.

    You need to contact an engineer and take it from there.
    It shouldn't cost too much for as short site visit.


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