Sewer blocked?

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I am looking to get permission for filling in our kitchen side return and in preparation I was looking at the drains which I know I will either need to get permission to build over or need to relocate.

I noticed that in the pipe above the drain run away where appears to be some kind of plastic item in the top. I wanted to check before pulling it too hard that it shouldn't be there.

I have attached a photo and would appreciate if anyone could give me their opinion/thoughts.

Cheers

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Thanks - I thought it was a drinks bottle. Will remove it tonight once home.

Any idea what that top pipe is for?
 
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Andy - Thanks very much.

Don't suppose you would know what the unknown pipe could potentially be? And would you class this as a private drain? I'm looking to get a build over agreement as the drain is in my side return and I am trying to work out what is what so I can get the documentation together.

Cheers

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Looks like you have a blocked trap in that manhole. Below the outlet pipe there will be another with a U bend. Get a big glove and check if there is another bottle blocking it.

The top pipe will be a breather, does it bend upwards towards the surface?
 
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The unknown one could be a neighbour. That would make anything down from the manhole shared.
 
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The unknown one could be a neighbour. That would make anything down from the manhole shared.

Thanks 1990.

The unknown one is towards my kitchen and away from my neighbours property. I might put the washing machine on tonight and see if the kitchen drains into it. Is there any other tips to try and identify where it goes?
 
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Turn all of your taps on and flush all the toilets to confirm all drain lines are yours.

Andy
 
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Turn all of your taps on and flush all the toilets to confirm all drain lines are yours.

Andy

Turns out it is my kitchen waste. I put the washing machine on to a quick wash and turned the taps on and the water started flowing out the 'unknown' pipe down into the sewer.

Thanks for your help. I'll now be looking to workout the next steps in getting a build over agreement from Thames Water :)
 
N

Newboy

I'll now be looking to workout the next steps in getting a build over agreement from Thames Water

From your description it's a private sewer - no interest from Thames and no need for a build-over agreement.
 
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From your description it's a private sewer - no interest from Thames and no need for a build-over agreement.

I am hoping you are correct - but I am trying to determine that for sure.

Here is the side return that I want to extend into and I have highlighted this drain. What are the best ways for sealing this? Do I need to look into one of those double sealed manhole covers?

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