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How much extra would a basement cost?

  • 20-01-2010 3:32pm
    #1
    murphaph
    Registered Users, Registered Users 2 Posts: 19,031 ✭✭✭✭


    I'm curious, not building in Ireland but might be here in germany. A company we're looking at who sell "prefab houses" will add a basement to a 130sq m 2 storey dwelling for exactly 10 grand if the client wishes. So, how much are cellars in Ireland? The germans look at them as a logical thing to do for storage space and a good proportion of houses have them. Why is it so different in Ireland?


Comments

  • #2
    sydthebeat
    Subscribers Posts: 41,833 ✭✭✭✭sydthebeat


    murphaph wrote: »
    Why is it so different in Ireland?

    1. no historical culture for them
    2. few specialists in this area, lack of skills
    3. generally site conditions are not favourable due to flat topography
    4. lead to increased ridge heights, which give planners palpitations....
    5. high water table levels very prevalent which leads to expensive tanking


  • #3
    gollyitsolly
    Registered Users, Registered Users 2 Posts: 674 ✭✭✭gollyitsolly


    murphaph wrote: »
    I'm curious, not building in Ireland but might be here in germany. A company we're looking at who sell "prefab houses" will add a basement to a 130sq m 2 storey dwelling for exactly 10 grand if the client wishes. So, how much are cellars in Ireland? The germans look at them as a logical thing to do for storage space and a good proportion of houses have them. Why is it so different in Ireland?
    A friend of mine specilizes in basements here in Ireland. And he has worked on them in Germany. Am i allowed give his website?


  • #4
    murphaph
    Registered Users, Registered Users 2 Posts: 19,031 ✭✭✭✭murphaph


    Cheers Syd, had a feeling the water table might be an influencing factor alright. Shame really, when that area of land is going to be given over to housing anyway, not to make the most of it and add that extra space for no extra environmental impact.


  • #5
    murphaph
    Registered Users, Registered Users 2 Posts: 19,031 ✭✭✭✭murphaph


    gollyitsolly wrote: »
    A friend of mine specilizes in basements here in Ireland. And he has worked on them in Germany. Am i allowed give his website?
    I don't think you can, other suppliers names usually get snipped from this forum. It doesn't really matter as I'm not looking for a builder!


  • #6
    srf
    Registered Users Posts: 7 ✭srf


    Basement construction makes a lot of sence on certain sites as you are making good use of the footprint of the house. They are expensive to construct because of the extra excavation and important detailing. From my experience over the years many builders are very careless with much more basic details so I would be concerned with their attention to detail at bacement level. The main problems would be waterproofing the structure which generally involves tanking.


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  • #7
    srf
    Registered Users Posts: 7 ✭srf


    Does any one have even a ballpark cost for bacement if you take it that many builderes will charge €100 / sq ft for a typical house build. Is there any rule of thumb for bacement construction.


  • #8
    Gumbo
    Moderators, Society & Culture Moderators Posts: 39,783 Mod ✭✭✭✭Gumbo


    You then also have our fire regulations and escape provisions that make it more workable to convert the attic if you are going 3 storey instead of down.


  • #9
    jinkybhoy
    Registered Users, Registered Users 2 Posts: 692 ✭✭✭jinkybhoy


    Also everyone knows Basements are always either 1. Haunted or 2. Hiding a serial killer.


  • #10
    RustyNut
    Registered Users Posts: 3,430 ✭✭✭RustyNut


    jinkybhoy wrote: »
    Also everyone knows Basements are always either 1. Haunted or 2. Hiding a serial killer.

    Or hiding zombies. Like this thread.......


  • #11
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,790 ✭✭✭✭galwaytt


    murphaph wrote: »
    Cheers Syd, had a feeling the water table might be an influencing factor alright. Shame really, when that area of land is going to be given over to housing anyway, not to make the most of it and add that extra space for no extra environmental impact.

    Water table whilst an issue, is not insurmountable, done properly. A client of ours has one, and a 1.2m water table outside......and no issues yet. And there is no reason it should be. If you can make a floating hull as foundation - on water - waterproof, a basement should be simpler. See here: http://www.dirkmarine.com/concrete-hull-hubb/
    srf wrote: »
    Does any one have even a ballpark cost for bacement if you take it that many builderes will charge €100 / sq ft for a typical house build. Is there any rule of thumb for bacement construction.

    No, no typical figure. I have a suspended deck over basement in my own house. Basement alone (50m2 approx.) cost about 30k. With the deck & raft over tied in, probably cost €60k.

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



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  • #12
    Gumbo
    Moderators, Society & Culture Moderators Posts: 39,783 Mod ✭✭✭✭Gumbo


    RustyNut wrote: »
    Or hiding zombies. Like this thread.......

    Holy Sh1t, didn't even cop that :o
    galwaytt wrote: »
    No, no typical figure. I have a suspended deck over basement in my own house. Basement alone (50m2 approx.) cost about 30k. With the deck & raft over tied in, probably cost €60k.

    Any finished pics?


  • #13
    hexosan
    Registered Users, Registered Users 2 Posts: 1,740 ✭✭✭hexosan


    I have one and I can tell you the figure is a **** load. It's money after money with a basement.


  • #14
    Effects
    Registered Users, Registered Users 2 Posts: 9,760 ✭✭✭Effects


    srf wrote: »
    Does any one have even a ballpark cost for bacement if you take it that many builderes will charge €100 / sq ft for a typical house build. Is there any rule of thumb for bacement construction.

    Family member was quoted extra €20,000 on a 50 sq.m footprint.


  • #15
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,790 ✭✭✭✭galwaytt


    Effects wrote: »
    Family member was quoted extra €20,000 on a 50 sq.m footprint.

    ...even at that, that's conservative imho.

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



  • #16
    sydthebeat
    Subscribers Posts: 41,833 ✭✭✭✭sydthebeat


    galwaytt wrote: »
    ...even at that, that's conservative imho.

    very much so....


  • #17
    Effects
    Registered Users, Registered Users 2 Posts: 9,760 ✭✭✭Effects


    galwaytt wrote: »
    ...even at that, that's conservative imho.

    Yeah, that was from the QS. Think they are just going for a much smaller basement section now. Just for storage as they have no attic.


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