What fall should a patio have?

We're having a new patio laid and the contractor mentioned it needs to slope slightly away from the house. What's the minimum fall required and how do you check it's right?

Asked by Michael on 14th Apr 2026
Expert Trade Answers
"Use a long spirit level (at least 1.2m/4ft). Place it on the patio pointing away from the house. To achieve a 1:60 fall, you should see a gap of about 20mm between the end of the level and the patio surface when the bubble is centered."
Answered on 14th Apr 2026 - Member since Mar 2026 - report
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