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Cost of 40 square metre extension in Dublin

  • 06-09-2009 9:21am
    #1
    Dopey
    Registered Users, Registered Users 2 Posts: 391 ✭✭


    We want to build a 40 square metre extension to the back of our house. I believe this is the maximum allowed without requiring planning permission.

    We would like the extension to join onto our existing kitchen as an open plan extension. Steel (RSJ?) would be required.

    The extension is one room with apex roof, lots of veluxe windows or equivalent and glass sliding doors (lots of light).

    Access to the back of the house is only through the garage.

    It's probably a case of how long is a piece of string but would really appreciate a ballpark.


Comments

  • #2
    bamboozle
    Registered Users, Registered Users 2 Posts: 3,699 ✭✭✭bamboozle


    we have finished a similar job, as you said it really is a case of how long is a peice of string, do u need to demolish any of existing house, do u plan to renovate any of existing house? a straight up 40sqm extension may be done for 30-40k for the basic shell, add in high spec windows/insulation/kitchen and then costs will rise dramatically.
    my advise if get a quantity surveyor to do up a bill of quantities and get a number of builders to quote based on the bill of quantities.
    this is a very easy way to control costs.
    we were lucky enough that our builder was also a qualified QS and was a huge help on making sure our build was cost effective.


  • #3
    Dopey
    Registered Users, Registered Users 2 Posts: 391 ✭✭Dopey


    bamboozle wrote: »
    we have finished a similar job, as you said it really is a case of how long is a peice of string, do u need to demolish any of existing house, do u plan to renovate any of existing house? a straight up 40sqm extension may be done for 30-40k for the basic shell, add in high spec windows/insulation/kitchen and then costs will rise dramatically.
    my advise if get a quantity surveyor to do up a bill of quantities and get a number of builders to quote based on the bill of quantities.
    this is a very easy way to control costs.
    we were lucky enough that our builder was also a qualified QS and was a huge help on making sure our build was cost effective.

    Many thanks for the post bamboozle. Would you think 50k would be a reasonable estimate then for good insulation and standard double glaze windows?


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