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Jan 9, 2019
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Can anyone help me with this? I get this smell at low level - around the floor area of ensuite and bedroom floor near the ensuite - intermittently. If you put your nose down close to the ceramic tiles in the bathroom or the skirtings in the bedroom you can smell it. Can a smell come through tiles?? It happens usually when someone has used the shower or occasionally the toilet. I have checked the water traps and they are OK. The quick flow shower outlet only has that drain type smell. I have also taken the lid off the boxing where the soil pipe is. I removed the dirgo valve to check. That smells a bit of drains - different smell - but seems to be OK. We have had the manholes up on the drive to check the drains are flowing properly - they are and they don't smell.

We have no signs of rat or mouse infestation. But this is definitely a poo smell, rather like a bad eggy fart x 100 - sorry to be so graphic, it does not smell like a decaying rat. We sometimes get it downstairs - the downstairs loo is under the ensuite - and it seems worse where the gap is between the skirting boards and laminate floor. Or you walk through a patch of it going up the stairs which are opposite the downstairs loo door.

Anyone got any ideas?
 
A sewer vent that has been left uncapped or not extended through to atmosphere.
It could also be an old branch pipe that has been left open ended
 
Take the floor up where the smell is the worst, post a pic of what you find.
 
A sewer vent that has been left uncapped or not extended through to atmosphere.
It could also be an old branch pipe that has been left open ended
The soil pips/dirgo only goes half way up the ensuite wall, not out of the roof. But I am pretty sure the smell isn't coming out of there. Likely to be the plumbing into and around the ensuite stuff then, the shower/sink/loo. We have tiled floors . . . . ! But maybe better to go through the toilet ceiling down below.
 
Might be worth getting someone in with a drain camera.
They will be able to see if the existing plumbing has any issues.

If that all stable, then it would require further investigation - which could be quite costly
 

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