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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.


The whole experience was very good. From Nicki dealing with the initial phone call. To delivering a very fast & efficient turn around for an emergency job. Very competitive rates and very pleased with Adrian's attitude on arrival and eagerness to complete the job and help me out.
- Ciaran Mathias
Excellent Not only the most cost-effective quote for a new septic tank, but the company also went to great length to solve a related problem, not of their making. Cheerfulness, expertise and willingness to help turned a potential disaster into a roaring success. Cannot recommend too highly.
- Rafferty W
Fantastic service. Adrian did a brilliant job
- Jef Scrivener
Excellent service and advice given by Andy who came out, with no call out charge, to diagnose an issue and explain that it was the responsibility of the water board, so putting my mind to rest. Many thanks for your patient and friendly approach.
- Kathleen Dicks
Turned up on time. Very pleasant guy. Carried out the maintenance and service very professionally.
- Philip Taylor
Excellent reliable service, the vans come fully prepared for all drainage jobs, at a reasonable cost. Have used this company several times now.
- Adrian Prosser
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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

    The whole experience was very good. From Nicki dealing with the initial phone call. To delivering a very fast & efficient turn around for an emergency job. Very competitive rates and very pleased with Adrian's attitude on arrival and eagerness to complete the job and help me out.
    - Ciaran Mathias
    Excellent Not only the most cost-effective quote for a new septic tank, but the company also went to great length to solve a related problem, not of their making. Cheerfulness, expertise and willingness to help turned a potential disaster into a roaring success. Cannot recommend too highly.
    - Rafferty W
    Fantastic service. Adrian did a brilliant job
    - Jef Scrivener
    Excellent service and advice given by Andy who came out, with no call out charge, to diagnose an issue and explain that it was the responsibility of the water board, so putting my mind to rest. Many thanks for your patient and friendly approach.
    - Kathleen Dicks
    Turned up on time. Very pleasant guy. Carried out the maintenance and service very professionally.
    - Philip Taylor
    Excellent reliable service, the vans come fully prepared for all drainage jobs, at a reasonable cost. Have used this company several times now.
    - Adrian Prosser
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