Patio edges far away from the wall

My builders did the paving stones patio, edges fixed in the mortar. However, they didn't put the edging aligned with the house but 10-20cm away from the wall (different distance in different places). I'm worried that in case of rain it's going to fill with water. It seems to me like they squared it so it was easier for them to lay it and they don't have to cut it. They say that's the reason it's supposed to be done, but no logical explanation. I'm not a specialist, but is there any other reason why it was done this way?

3 Answers

Nw landscapes
2 Reviews, 0% Positive
I would say this is because acore drain should have been installed in the gap
12th Aug 2021
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R.B construction & landscaping
32 Reviews, 97% Positive
if the patio was layed and they could not get lower than 2 bricks below damp course on house then they would leave this as a drain off so water is not sitting along the wall causing damp in the house.if you have any pictures and can send them to us so we can have a better look and advice you from there.its free advice.
17th Aug 2021
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There is no reason that it shouldn't meet up with the wall,your right it will fill with water which will seep int the foundations ,no excuse at all
2nd Sep 2021
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