Poor Garden Drainage

Does anyone have any suggestions for a grassed garden, that just holds water and becomes sodden very easily.

I've looked at french drains, but don't quite see where they would run off to?

Garage to north, house to south, public road to east, neighbour to west.

Would digging it all up and adding a gravel base help, if so how far down would i need to go?
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Comments

  • Have you got clay soil?
  • Have you got clay soil?

    Its Pretty heavy, not all clay, but about 80%

  • Would digging it all up and adding a gravel base help, if so how far down would i need to go?

    Yes it would help, but it's a mammoth job. It depends on what's causing the problem. If the underlying soil is reasonably OK, and it's just got compacted over the years, then going over it with a hollow tine aerator and brushing sand into the holes can help a lot. Worth hiring a motorised one if you've got anything bigger than a handkerchief :)

    If the soil is completely rubbish and solid, then you may have to look at excavating and gravelling, as you suggest.

    Probably a good idea to start with is to dig a small but deepish ( say 3 feet ) hole, so that you can see what the soil is like. Also see if the hole fills with water and remains full. If you've got a high water table then you may just be stuck with it.
  • Furts
    Furts Posts: 4,474 Forumite
    An easy way that I have adopted before is to raise the garden by applying a coarse sand/soil layer (sometimes just sand). This acts as a drainage layer on the surface, and the water drains to the surrounding original areas, typically borders.
  • cyclonebri1
    cyclonebri1 Posts: 12,827 Forumite
    I've looked at french drains, but don't quite see where they would run off to?


    And that is the issue, unless you can drain the water by gravity you will still have issues.

    Yes, raising the problem area on good drainage can work, BUT, that same water will sit under the surface, it needs to drain away.
    I like the thanks button, but ,please, an I agree button.

    Will the grammar and spelling police respect I do make grammatical errors, and have carp spelling, no need to remind me.;)

    Always expect the unexpected:eek:and then you won't be dissapointed
  • tanith
    tanith Posts: 8,091 Forumite
    Part of the Furniture Combo Breaker
    My back lawn is very wet in the Winter but is ok in the Summer months, as the others have said if the water table is high there isn't much you can do about it..
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  • marleyboy
    marleyboy Posts: 16,698 Forumite
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    I had the same issue with a house I rented once, An easy temporary solution is to dig a trough around the border to act as a makeshift drain.
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  • Alias_Omega
    Alias_Omega Posts: 7,917 Forumite
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    We dug a hole in the garden, it just constantly back filled with water. We then filled it in...

    The soil round here is made of Clay, therefore we expect it to be a bit soft under foot when wet. The solution for us would be a French drain, however running into the surface water sewer system...
  • SailorSam
    SailorSam Posts: 22,754 Forumite
    10,000 Posts Combo Breaker
    That sounds like my last house Op. I tried allsorts digging trenches full of gravel; dug a pool at the bottom of the garden. The neighbour one side put new turf down several times, it looked nice for a while but was a waste of time. The neighbour the other side raised his garden and just put flags down. I think all that happend after that was i got his water onto my side. It was very heavy clay and i couldn't see a solution.
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  • I'm working on this too. I've stuck in a drain and will see if this helps.

    Next up would be dig up my topsoil, put down layer of gravel or something similar about 12" down, replace topsoil.

    If I've STILL got a problem, then I am wondering about Hugelkultur raised beds on top of it.

    Just working my way through however many steps I have to through the list before something works.
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