Sewage Treatment / Septic Tank Installers

The installation of a wastewater system is a big investment. You need to know you’re getting the right solution and that it will last.

As specialists in large commercial, industrial and agricultural installations, we pride ourselves on our 30 year proven track record of supplying and installing wastewater solutions to suit your specific needs.

  • Sewage Treatment Plants
  • Septic Tanks
  • Pumping Stations
  • Cesspools
  • Oil Separators

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    3 year no quibble guarantee

    The quality of our work is what makes us stand out. We’re so confident in this fact that we’ve extended our guarantee to 3 years.

    Excellent customer service

    Delivering an excellent customer service is paramount to what we do. We’ve built up a reputation for being friendly, professional and 100% reliable.

    100%  compliant solutions

    Be rest assured that we’ll devise a solution right for you and our work is carried out in accordance with relevant regulations, legislations and codes of practice.

    Why choose us?

    It's always nice to know who you are working with. You need someone you can rely upon to deliver an excellent job. Hear Andy Cotterill, our MD, talk about our service and why we're the best at what we do.

    We deliver solutions

    Expert Sewage Treatment/Septic Tank Installations

    We provide a complete turnkey package when it comes to your wastewater solution from recommending the best solution to its installation and ongoing care. You can trust in us that you will have a job well done and a solution that will last you many years to come.

    Don’t just take our word for it!  Read what our customers have to say...

    Wedding Venue
    Installation of a sewage treatment plant

    "Cotterills made the whole process as straightforward as possible and saved us what could have been a real headache. They did a really good job for us and in the time specified."

    John Barnes Packington Moor Farm

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    Leading Salad Grower
    Pumping installation to direct sewage to the mains

    “Following a recommendation, I asked Cotterills to help us with this project. We now balance and pump sewage at a constant rate into the main sewer and have been very pleased with our total experience of Cotterills from start to finish.”

    Dermot Tobin - PDM Produce Ltd

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    Grade II Listed House
    Installation of a septic tank
    “Cotterills were a pleasure to have around. They were extremely sympathetic to our needs and our beloved garden. They were reliable and got the job done quickly. We’re delighted with our installation.”

    Stuart Manson - Bromley House Cottage

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    Read about some of our projects:

    Business Park
    Supply of a large sewage treatment plant

    The creation of a new office development at Eckland Lodge, a family-run business park, meant that the number of people working there was set to increase from 180 to over 350. As a result, the park’s existing sewage waste management system was no longer deemed suitable.

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    Brand New Dwelling
    Installation of a pumping chamber

    A brand new house was built close to Grendon, a village in a rural part of Warwickshire. The land had not been used for a dwelling before and was not attached to the mains. The owner therefore needed a solution to enable him to pump sewage and wastewater to the closest mains...

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    Rural Property
    Installation of a sewage treatment tank with limited access

    Belmont House is a 80 year old house set in rural Wythall in Warwickshire.  The old brick built septic tank in the rear garden was failing and the owner was becoming increasing frustrated at having to empty it every month...

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    Leading Salad Grower

    Pump station installation to main sewer

    Established in 1991, PDM is a private family-owned company based in Shropshire and had grown to become one of the UK’s leading salad growers and packers. As a result of the growth of its business it needed a future proof sewage disposal system to deal with waste from its 500 staff...

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    Wedding Venue
    Installation of a sewage treatment plant

    Packington Moor Farm is a 700 acre farm set within a rural location in the midlands. Whilst it still functions as a fully working farm, it also houses accommodation, a farm shop, cafe and wedding venue business. The growth of its businesses over the years led to a rise in the amount of sewage and wastewater produced...

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    Grade II Listed House
    Installation of a sewage treatment plant

    Bromley House Cottage is a beautiful Grade 2 listed 17th century house set just outside rural Bridgnorth in Shropshire. The property's old brick septic tank was failing to allow ground water in through its porous walls as well as the effluent to run away...

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