Sewage Treatment Solutions Installation

We understand that the installation of a wastewater system is a big investment. But, with us you’re guaranteed a tailored service unique to you and your needs. Being experts in Sewage Treatment & Septic Tank Installations, we’re confident we can provide a solution that will last!

3 Years Guaranteed Workmanship

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.

Top Rated Customer Service

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

Expert Advice

Our team of experts are on hand via email or phone to provide you with advice, order updates or product assistance.


Sewage Treatment/ Septic Tank Installers

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
Oil separators
Why not get in touch with the specialist at Cotterill Civils? We are happy to help with the sizing of your plants and tanks?



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

We can deliver the complete solution when it comes to your sewage needs. In this video, we installed a 200 person Klargester HEQ 55 package for Coopers Homes in Tamworth.


Sewage Treatment Solutions Installation

Business Park

Installation of Galvanised Steel Tank

A Golf Club, situated near Wells, contacted us because they were having problems with their existing galvanised steel water tank and they wanted our specialist help to install a new tank...


Rural Property

Installation of a sewage treatment tank

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...


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...


Leading Salad Grower

Pump Station To Main Sewer Installation

family-owned company based in Shropshire and had grown to become one of the UK’s leading salad growers and packers, and they needed our experts to provide a future proof sewage solution...


Wedding Venue

Installation of a sewage treatment plant

Packington Moor Farm is a 700-acre farm. Their diversification and growth over the years led to a rise in the amount of sewage and wastewater. As a result, it needed a bigger sewage treatment plant...


Grade II Listed House

Installation of a sewage treatment plant

The property’s old brick septic tank was failing and the owners of the property had become frustrated at having to regularly empty it and wanted to get the best possible long-term solution for it...


Questions & Enquiries

Fill in the form below and a friendly member of our team will be in touch with you shortly, alternatively, you can use our live chat service or call us now on 0121 351 3230.

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We’re not your typical merchant. Core to everything we do is our customers. After all, without you, we wouldn’t be here. At Cotterill Civils, we offer something a little different and we show this in the values we adhere to every day! Why not get in touch today to see how we can help you!

Customer Reviews