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New Build

Bad smell in upstairs bedrooms

Anonymous user 15/03/2024 - 2.35 PM

Hi We live in a new build property. We have been here just under 4 years with no major issues. Around 2 months ago our upstairs bedrooms started smelling bad. Like a sewage smell. There is no smell coming from any of the drains or toilets and strongest smell is in the room furthest away from any type of drain. Some days it is stronger than others but cant pin point a trend in when. If I leave windows open it doesn't help but if i leave bedroom doors open it seems to help. I tend to try keep doors closed as we have a mischievous dog. Also worth mentioning I keep a clean house and have an obsession with it smelling nice so this is really annoying me. Its bad when my husband is also complaining about it!! I am having our gutters cleaned tomoro to see if it helps but if not i don't know what it could be. Any ideas on what to try next would be helpful Thanks Lisa

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3 Answers

LB Building Services

Rating: 5 out of 5

Worcester

Have you checked the soil vent pipe. This should be a black 110mm diameter pipe that runs vertically along the building, either externally or internally(if internal it would be boxed in but visible in attic space) This is a pipe that allows smells and odours From the drainage system to vent in areas that won’t offend. Worth checking , something may have dislodged or come loose causing the pipe to leak a bad smell .

Answered28 October 2017

Anonymous user

Hi there, depending on how many toilets you have will determine how many SVP's you should have, being a relitively new property I preusme you will have 2 with atleast 1 exiting through your roof, take a look in your loft space, look for a 110mm/4" black pipe, the pipe should be almost directly above any one of your toilets, once located see if there is an air admittance valve connected and that it is securely,here is a link to what it may look like. https://www.priorityplumbing.co.uk/pp-110mm-solv-air-admittance-valve-gry-PSPV11G1?gclid=EAIaIQobChMInd_E8YTp2AIVohXTCh1MEAbWEAQYBCABEgKxGfD_BwE If all seems fine it suggests there is either a break in the pipe or it has a break in joint. Hope this helps Regards Gavin Oscell Limited

Answered21 January 2018

Christopher Plumber.

Rating: 5 out of 5

Norwich

I think as it's a new build then you can almost certainly eliminate that you have an internal air admittance valve, as these are normally used when there is no possibility of fitting an external one. Probably a bit of an afterthought really! Mind you. it could have failed internally if there is one. Also you say that it's been okay for four years, so the first thing is to check the 110mm pipe work from the toilet - as this pipework may have lost a seal.

Answered21 February 2020