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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.


had no problems , very efficient
- Karin Gorman
Very efficient and friendly emptying and annual service for my domestic Marsh Industries treatment plant installed by Cotswold last year.
- Ian Hughes
Let’s face it, it’s not cheap but our experience was excellent- very quick, efficient and friendly.
- Mark Cieslik
Second time we have used Cotswold Drainage. We highly recommend them!! Their engineers are knowledgeable and helpful. If you need help, call them
- Chris Horsley
Prompt service and very professional drain unblocking service. We had a blocked downstairs toilet that was quickly and efficiently dealt with by Adrian. Would definitely recommend.
- Its Me
A problem that was more complicated than at first thought was sorted by Adrian. Thank you. Sue R
- Sue Reeves
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    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

    had no problems , very efficient
    - Karin Gorman
    Very efficient and friendly emptying and annual service for my domestic Marsh Industries treatment plant installed by Cotswold last year.
    - Ian Hughes
    Let’s face it, it’s not cheap but our experience was excellent- very quick, efficient and friendly.
    - Mark Cieslik
    Second time we have used Cotswold Drainage. We highly recommend them!! Their engineers are knowledgeable and helpful. If you need help, call them
    - Chris Horsley
    Prompt service and very professional drain unblocking service. We had a blocked downstairs toilet that was quickly and efficiently dealt with by Adrian. Would definitely recommend.
    - Its Me
    A problem that was more complicated than at first thought was sorted by Adrian. Thank you. Sue R
    - Sue Reeves
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