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Developing a garden from scratch...

I live in a ground floor flat. When the building was built (10+ years ago), the developer simply put decking all over the ground floor gardens. However, the decking is starting to rot, and rather than replacing it, I'd love to have an *actual* garden. Problem is, there is currently no soil under the decking. Just the joists, then rubble/pebbles, then concrete (then an underground car park). 

I am not even sure if it would be possible to remove the decking and have a normal garden instead? I would like to have mostly plants (vegetables, herbs, as well as wildflowers and some perennials/shrubbery so it doesn't look to bare in winter). I would estimate the depth from the decking to the rubble varies between 10 & 20cm. So I would still need raised beds to grow most things? Also, considering there is concrete under the rubble, I don't know if the garden would just be very waterlogged after it rains? I believe there may be a water run off system currently in place, but I'd need to investigate.

The garden is approximately 6x15 meters. It's south facing, but because of trees & flats opposite it doesn't get much/any sun in winter.

I guess my questions are: Do you think it would be possible to remove the decking and replace it with soil? And/or what kind of person would be best placed to answer such a question in person? A landscape architect, a garden designer?

Posts

  • AnniDAnniD Posts: 12,585
    I don't see any reason why you can't replace the decking and have a garden of some description  :) !  As you say, until you start investigating it's impossible to say how easy , difficult or expensive it's going to be.
    If you don't want to start taking down the decking yourself, l would suggest a local handyman or builder to shift it. If any of it is still in fairly good condition, you might want to consider hanging on to it for raised bed building .
    Once it's out of the way you can start investigating what lies beneath, and then make your plans accordingly.  I would save money on a garden designer (at least in the short term), by posting some photos on here and asking for planting and design ideas .
    You could also post photos of what is left after the decking has been removed, there are people on here who have done that and may be able to help. 
  • CeresCeres Posts: 2,698
    It is possible to have a decent garden without a lot of soil. You could go for a gravel garden with a lot of raised beds. The latter would take care of the problem of decent depth of soil for the plants and would keep it neat.
  • steephillsteephill Posts: 2,841
    First check what you are allowed to do. If your flat is leasehold you may need the freeholder's permission.
  • Thanks for the various suggestions! Luckily the flat is a freehold, and while there are some constraints in the deeds about altering the exterior of the building, it makes no mention of the garden.

    I think I'll just need to get started with pulling up some of the decking to get a better idea what's under there. Ideally I would love a garden that is (almost all) soil, so I can grow some veg, have a few other plants, a small wildflower meadow, etc. However, I might come to the conclusion that that's not realistic, and perhaps a gravel garden with raised beds would be a suitable alternative.
  • Hostafan1Hostafan1 Posts: 34,889
    see if you can get hold of September's issue of the RHS magazine, The Garden, there's  a stunning basement flat garden in that issue.
    Devon.
  • well suggestion . thanks 
  • LoxleyLoxley Posts: 5,698
    Raised beds for veggies, and wildflowers on shallow soil laid direct on the rubble. Bringing in soil is a bit expensive but enviable in a way, since you have control. Rich topsoil for the veggies, and poor sandy soil for the wildflower meadow (for example you could mix topsoil with sharp sand at 1:2 and lay about 10cm deep over the rubble, to ensure the fertility is low).

    By the way, I was surprised to find my lawn has been laid on top of concrete - probably about 25cm below the surface since I can't get a fork all the way in! I also have a border that's built up on top of tarmac at a similar depth.
    "What is hateful to you, do not do to your neighbour". 
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