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Foundations for house

  • 20-01-2017 8:59am
    #1
    Mandy198
    Registered Users, Registered Users 2 Posts: 4 ✭


    Looking to buikd house ourselves, but wanted to know what is the best type of foundation for concrete block house 40 x20 foot.house or around that. And does anyone know the timeline for building. After planning permission how long till the house must be finished etc in stages. Examlpe how long till the foundations must be down, till the walls must be up to window.level etc. Thank you all for any comments. Living in cork area


Comments

  • #2
    Right2Write
    Closed Accounts Posts: 1,356 ✭✭✭Right2Write


    Foundation wise, it depends of the ground conditions. Concrete strip foundations are usual on normal subsoils. Raft foundations are used on less solid ground etc. Ask & see what neighbouring dwellings of modern construction use, but judging from general nature of your question - you need to do a LOT of research.

    Timescales - how long is a piece of string????????


  • #3
    Mandy198
    Registered Users, Registered Users 2 Posts: 4 ✭Mandy198


    Right2Write wrote: »
    Foundation wise, it depends of the ground conditions. Concrete strip foundations are usual on normal subsoils. Raft foundations are used on less solid ground etc. Ask & see what neighbouring dwellings of modern construction use, but judging from general nature of your question - you need to do a LOT of research.

    Timescales - how long is a piece of string????????




    What I ment about timescale is you have 5 years after planning is granted to have the dwelling fully finished. But I wanted to know what are the other regulations, I think it is 12 months from planning to have your foundations down, etc. All the land is a bit wet but put drainage inand it would be perfect dry solid land to work with for foundations


  • #4
    Stravos Murphy
    Closed Accounts Posts: 279 ✭✭Stravos Murphy


    Get the foundation done by professionals, this needs to be 100%.


  • #5
    Tefral
    Registered Users, Registered Users 2 Posts: 4,396 ✭✭✭Tefral


    Stravos Murphy wrote: »
    Get the foundation done by professionals, this needs to be 100%.

    If i could "Like" this more than once id click it 1000 times.

    OP even if you had Engineers drawings, do you know anything about building? Do you know what softspots are? Do you know how to check the concrete that arrives to your site? Slump Test?

    Doesnt matter how good you build the rest of your house, if the foundations arent right forget it.


  • #6
    Mandy198
    Registered Users, Registered Users 2 Posts: 4 ✭Mandy198


    Tefral wrote: »
    If i could "Like" this more than once id click it 1000 times.

    OP even if you had Engineers drawings, do you know anything about building? Do you know what softspots are? Do you know how to check the concrete that arrives to your site? Slump Test?

    Doesnt matter how good you build the rest of your house, if the foundations arent right forget it.



    Foundations will be done by professionals, and yes I do know a good bit about building. Ive built several sheds barns log building, yes I know not houses but similar. I just wanted a quick guess as to time scales and prices of foundations. It will be all family building the structure as we have plumbers, electricians block layers carpenters all in the family that are ALL PROFESSIONALS in their fields and can build a house with their eyes closed. But again all I wanted was a quick guess as to prices and time scales from here before going ahead with it.


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  • #7
    Mandy198
    Registered Users, Registered Users 2 Posts: 4 ✭Mandy198


    People have being building their own houses since the stone age so I dont see why it would be a problem building one. Yes times have changed and there are restrictions and regulations on houses. But as long as it is certified at the end that all work is professionly done it shouldnt matter if I contract it out to someone or if we build it ourselves since we have so many qualified people in the family that are willing and able to do it. Thank you


  • #8
    Tefral
    Registered Users, Registered Users 2 Posts: 4,396 ✭✭✭Tefral


    If your looking for a price this will give you a ball park.
    http://www.boards.ie/vbulletin/showpost.php?p=101296233&postcount=3


  • #9
    Calahonda52
    Registered Users, Registered Users 2 Posts: 12,881 ✭✭✭✭Calahonda52


    Mandy198 wrote: »
    Foundations will be done by professionals, and yes I do know a good bit about building. Ive built several sheds barns log building, yes I know not houses but similar. I just wanted a quick guess as to time scales and prices of foundations. It will be all family building the structure as we have plumbers, electricians block layers carpenters all in the family that are ALL PROFESSIONALS in their fields and can build a house with their eyes closed. But again all I wanted was a quick guess as to prices and time scales from here before going ahead with it.

    Well based on the above, I think you should be sharing the fount of knowledge implicit in the above, as opposed to asking here as quite frankly you seem to know it all when somebody tries give some ideas.
    Keep well and good luck
    As is your first reference to prices: budget €2,000/ sq meter

    “I can’t pay my staff or mortgage with instagram likes”.



  • #10
    muffler
    Registered Users, Registered Users 2 Posts: 46,547 ✭✭✭✭muffler


    Mandy198 wrote: »
    and can build a house with their eyes closed.
    I think that was the case alright over the years. So called tradesmen (not professionals as you labelled them) appeared to be blind to some of the things they were doing hence how we ended up with numerous badly built houses.

    Unless you are thinking of mortgage conditions there is no rule to say when you have to commence works i.e. pour foundations other than you have 5 years to start and complete your house as per your planning permission.

    Foundations or any element of the build cannot be designed or specified on a discussion forum. There is a legal onus on you to comply with all statutory regulations and to ensure you do so will most definitely require the input of a professional ..... engineer, architect, technician.

    There are a lot of factors to be considered before anyone can give you any idea as to the costs of building. For example have you got your provisional BER yet? Do you know who to go to to see about that. Your insulating materials and air tightness detailing may well have to be changed for example from what is currently shown on your construction drawings...you do have these? Your insulation levels may well have to be "upped" and that alone will affect your prices or costs. Thats just one small example.

    Maybe have a read through a couple of current threads in the prices/costs forum and see what you can pick from it.

    Above all, engage a professional otherwise we will see you posting here in a couple of years time looking for advice on how to carry out repairs.


  • #11
    Stravos Murphy
    Closed Accounts Posts: 279 ✭✭Stravos Murphy


    Back in the early boom days if you could use a hammer you would be upgraded to a builder.


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  • #12
    dathi
    Registered Users, Registered Users 2 Posts: 1,422 ✭✭✭dathi


    Stravos Murphy wrote: »
    Back in the early boom days if you could use a hammer you would be upgraded to a builder.

    www.youtube.com/watch?v=lrRYBxAQL78
    are you sure it wasnt a demolition expert?


  • #13
    Right2Write
    Closed Accounts Posts: 1,356 ✭✭✭Right2Write


    Tefral wrote: »
    Doesnt matter how good you build the rest of your house, if the foundations arent right forget it.

    Agreed to a point, but one suspects that there is also often a lot of overkill as regards foundations 'just to be on the safe side'. Part of our house is built c 1900, the walls are guts of a metre thick, stone, two storey. And yet the foundations appear just to be a bed of rocks laid into the ground. I exposed them when building an extension and they aren't very deep. But the dwelling has stood over 100 years and will do so as long as it's maintained. Now the ground is solid. Compared to above though, the concrete foundations for the extension are far more extensive, though I doubt they are carrying the same load. It's surprising how much cost must be sunk into the ground with modern builds.
    Mandy198 wrote: »
    People have being building their own houses since the stone age so I dont see why it would be a problem building one. Yes times have changed and there are restrictions and regulations on houses.

    Agree, if you have the time to research & plan, keep it simple and the time & grit to get it done - go for it. Basic house building should be and is well within the compass of any normal, reasonably fit person. More people should be going down this route.


  • #14
    Broom16
    Registered Users, Registered Users 2 Posts: 14 ✭Broom16


    Hi everyone

    Starting to build soon, one off house in the country, my problem is:

    I understand the foundation has to be 3 times the width off the wall. However, the front of the house is stone SO I've a 4inch inner and outer leaf with 150mm cavity that brings me to 350mm I also need to have a 4" block on the flat for the stone to sit on so that brings me to 550mm x3 = 1650mm wide foundation NOW this is where the problem is do I use a 5 foot buck which is 1525mm wide or a 6foot bucket which is 1830mm


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