neighbours rainwater and grey water going into our guttering

7 Aug 2014
Reaction score
United Kingdom

I'm a DIY novice so please bear with me. Since moving into our property we have heard a continuous drip of water, even when it's not raining.

After inspection I've noticed our neighbours rainwater guttering goes into ours, this seems to be happening with other properties on the street (1930's housing). However, it looks like there is grey water is coming out of their house into our rainwater guttering too. We have separate guttering for our grey water.

My questions are:
Is it an offence for their rainwater guttering to be connected to ours?
Is it an offence for their grey water to be going into our rainwater guttering?

Many thanks
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An offence for their gutter to be connected to yours? Seriously? If that were the case then, by your own statement, every other house in the vicinity is an offender.

As for the 'grey' water, a little more info is needed as you seem a little unsure if it is actually grey water.

When you say grey water in to your guttering, do you mean gutter or downpipe?

It was standard to run basin/bath waste into a rainwater pipe.
Posting pics with annotated explanations would help - this can be a straightforward business or a complicated issue.
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Thanks for the responses everyone.

It is going into the gutter. Essentially there is a hose coming out of their bathroom that is going into the guttering which runs along their extension and goes into the guttering (railway) into our extension. This all then goes into a small gulley into our garden. It is continuously dripping even though it's not been raining for some time.

We are in the process of trying to find out what is coming out of their hose, however by the design of all the other houses on the street including ours they all have their own down pipe but for grey water.

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