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Sewage Waste Water Treatment Services

Do you have a septic tank or sewage treatment plant? Whether you need it emptied, cleaned, upgraded, repaired or replaced, we're here to help!

Our friendly and experienced team have been supporting homeowners and businesses across the West Midlands for over 25 years.

A Cotswold Drainage van ready to fix some blocked drains

Get in touch

Contact our friendly and professional team via form, phone or email for any drainage issues you may have.

From blocked drains to septic tank repairs and replacements, we're here to help. We have over 25 years of experience and offer 24/7 emergency callouts.


Really efficient, polite and really easy to do business with. Would highly recommend.
- Will Garrity
Always really helpful, good service, turn up when they say, personable on the phone and on site
- Darren Ayley
We've been using Cotswold Drainage for a few years. They are great to deal with and have always sorted issues out promptly with our septic tank. Shout out to Dave Streeter for looking after us so well!
- Nigel Carter
Great service - really hard ground and tough conditions and the guys came back the following Monday to complete the job at no extra charge. Thankyou
- Tim Stretton
Very pleased with service provided by Cotswold Drainage, Luke did a great job. Would certainly recommend them, very efficient. Arrived on site when promised and solved the problem, can't ask for more than that.
- Phil Timms
I’d happily use Cotswold Drainage again - the engineer arrived and within a couple of minutes had not only identified the problem but cleared the blockage. He then went on to give everything a good hose down and then did a camera inspection to make sure there were no more issues further down the drain. Highly recommended.
- James Coulter
Very good service, got the the job done 👍
- Philip Webb
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    Our top tips

    What we offer

    Here at Cotswold Drainage, our team have over 25 years’ experience and the expertise guaranteed to sort your problem quickly with minimum of fuss, leaving you more than satisfied.

    We offer a 6-month warranty, along with a free drain camera health check and a guarantee that you will receive follow-ups during and after your 6-month warranty.

    We operate a large fleet of vehicles, equipped with specialist equipment for any situation, including our high-power jetting system for removing blockages & cleaning, and also CCTV for on-site surveying of the problem or damaged drainage systems.

    Don’t just take our word for it, read our incredible reviews left by our valued customers

    Really efficient, polite and really easy to do business with. Would highly recommend.
    - Will Garrity
    Always really helpful, good service, turn up when they say, personable on the phone and on site
    - Darren Ayley
    We've been using Cotswold Drainage for a few years. They are great to deal with and have always sorted issues out promptly with our septic tank. Shout out to Dave Streeter for looking after us so well!
    - Nigel Carter
    Great service - really hard ground and tough conditions and the guys came back the following Monday to complete the job at no extra charge. Thankyou
    - Tim Stretton
    Very pleased with service provided by Cotswold Drainage, Luke did a great job. Would certainly recommend them, very efficient. Arrived on site when promised and solved the problem, can't ask for more than that.
    - Phil Timms
    I’d happily use Cotswold Drainage again - the engineer arrived and within a couple of minutes had not only identified the problem but cleared the blockage. He then went on to give everything a good hose down and then did a camera inspection to make sure there were no more issues further down the drain. Highly recommended.
    - James Coulter
    Very good service, got the the job done 👍
    - Philip Webb
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