Pond opportunity!

I'm having landscaping done, removing concrete and replacing with planting. But wouldn't this hole make an amazing pond?! Do you have any advice on how to do it? I know that I can put down a membrane an
d make sure animals have an escape route. But what should I do at the edge on the rhs next to the concrete? How do I edge between a bark path and a pond? Pond plants on the left I assume 



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The main problem will be the site itself, as it looks very shady? It's not ideal for a pond, as they work best with a good open sunny site.
However, you could easily make it a bog garden, which will have enough moisture to get plenty of pond wildlife. Liner put in, with holes in the bottom, a thick layer of gravel, then top soil
I live in west central Scotland - not where that photo is...
You can have a pond in a shadier spot, but it becomes quite difficult to manage, and if you have lots of trees nearby, especially deciduous ones, there's also the problem of dropping foliage.
I live in west central Scotland - not where that photo is...
Alternatively, just use plants that like dry shade for that area.
I live in west central Scotland - not where that photo is...
Our wildlife pond is a small preformed liner, due to the movement of the clay soil we have, the fabric liner moving.
We have newts, frogs and the water is teaming with insects etc.
We also have a small pond in the sunny part of the garden and I'm always having to deal with blanket weed.
My advice is to read up as much as you can, the more info you have, the less mistakes you will make.