How many downpipes should a house have?

How many downpipes are sufficient for a 3-bed detached house? I'm not there's enough on our house for dealing with heavy downpours.

Asked by Adam on 26th Nov 2022
Expert Trade Answers
"Hi, Adam

I would say at least 4 on a 3 bed and find out where they run off to some go straight into the ground and some above into a drain."
Answered on 26th Nov 2022 - Member since Nov 2022 - report
"Surely you only need 1 for each side of roof ! So if there are 2 sides then 2 Downpipes"
Answered on 26th Nov 2022 - Member since Oct 2021 - report
"2 to 3 downpipes for a 3 bed semi detached, 4 to 5 downpipes on a 4 bed detached house."
Answered on 26th Nov 2022 - Member since Mar 2022 - report
"You should have a minimum of two down pipes one to front of the pitched roof and one to the rear"
Answered on 26th Nov 2022 - Member since Nov 2022 - report
"It depends on how many bathrooms and toilets you've got in different parts of the house"
Answered on 10th Dec 2022 - Member since Oct 2022 - report
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