Can someone identify this tree?

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What are these trees? Ihave admired them since they went in and would love some for screening in my garden. Provided that they don't get massive.

Could they be Lime trees?

I don't reallyu know, just look similar to the ones we used to have in our road.
If they are, do not use them. they drip sticky sap every where

Lime as in the citrus tree? Apologies for being clueless. Sticky sap doesn't enthuse me

The leaves look like lime trees.

Nothing to do with citrus. Lime trees are Tilia.

no idea if they are the same as citrus limes, they are just called lime trees

Also known as Linden - sticky sappy trees but rather beautiful and often used for pleached walks and the like. Good for screening and you can keep the stickiness to a minimum by keeping them narrow.

An established tree will set you back about £500.

I think they're beautiful :)

Ah thank you all so much.

They don't look like lime/ linden trees to me. The botanical name is tilia Europa, look it up, but the leaf shape looks wrong, and they are planted as if they have reached full size, but lindens get 10 times that size.
That said, I don't know what they are.

Look up whitebeam, it's a really lovely standard tree and will achieve the shape you want easily with no pruning.
Young trees of a decent size are £50-£70.