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Install a sewage treatment system planned around your property, its usage and the available drainage options.
Our sewage treatment plant installers work across Essex, Cambridgeshire, Hertfordshire and surrounding areas. We assess your site, recommend a suitable system, and complete the installation for new properties, commercial projects, and replacement systems.
A septic tank separates solids from wastewater before the liquid passes to a suitable drainage field. A sewage treatment plant provides additional treatment before discharge. The appropriate option depends on the property and the permitted discharge arrangement.
We work with businesses, developers and contractors requiring wastewater treatment for premises without a suitable mains sewer connection.
As your commercial sewage treatment plant installer, we consider expected usage, peak demand, site access, and planned changes to the property. These requirements help determine the appropriate capacity and installation layout.
If your business also produces trade or process wastewater, tell us at the enquiry stage, as this requires separate consideration.
A domestic sewage treatment plant can provide wastewater treatment for a home without mains drainage, subject to a suitable site and discharge arrangement.
We assess the property, expected occupancy, and existing drainage before recommending a system. Planned extensions or additional buildings should also be considered so the installation reflects your future requirements.
Choosing a plant involves more than selecting a tank size. The amount and type of sewage, ground conditions, available space, and discharge options all affect the system required.
Our assessment considers the whole installation, including access for construction and future servicing. We explain the recommended approach, so you understand what will be installed, how it will operate, and what ongoing care it needs.
Assess Your Requirements
We begin with a discussion about the property and any existing system. A site survey helps establish the installation requirements, practical constraints, and potential discharge arrangements.
Design and Quote
We recommend a suitable system and explain the proposed scope of work. Your quotation sets out the agreed installation, associated drainage work and anticipated project timescale.
Install and Commission
Our team completes the agreed groundworks, plant installation and connections. The system is tested and commissioned, with relevant installation and manufacturer documentation provided at handover.
Get a no obligation quote tailored to your specific needs. Fill out contact form now, and one of our drainage specialists will be in touch with you shortly.
The cost depends on plant capacity, site access, ground conditions, excavation, pipework, and the discharge arrangement. A site assessment allows us to define the work and provide a quotation for your installation.
Timescales vary according to the site and scope of work. Access, excavation conditions, drainage connections and any required approvals can affect the programme. We discuss the expected schedule when planning your project.
Treatment plants require regular servicing and periodic sludge removal in line with the manufacturer’s instructions. Maintenance should be carried out by a competent person, and waste sludge must be removed by a registered waste carrier.
Contact us to discuss a new installation or replacement system.
Please provide the site postcode, whether the project is domestic or commercial, the expected number of users, and any details about the existing drainage. Our team will review your requirements and advise on the next step.
Client Testimonial
“Unfortunately we did not take any photos of of the works, wish we had. Dean from Groundsource sat down with us and went through the whole scope of works so that we both understood how the works would progress and the timescales involved. The works comprised of replacing our old cesspit with a sewage treatment plant and associated drain cleaning. From day one the work was carried out in a very clean and efficient fashion, there were a couple of unforeseen issues that cropped up but these were dealt with very quickly and with no fuss. The project was completed to our satisfaction and I would have no hesitation in recommending Groundsource Drainage.”
Marie Jones
Our team of experts has extensive experience in both commercial and domestic sewage treatment plant installations. We are committed to providing high-quality services that ensure customer satisfaction and environmental compliance.
Contact us today to discuss your sewage treatment plant installation needs. Our team is ready to provide you with a solution that offers environmental protection, compliance, and peace of mind.
Posted on Google![]()
Nicholas Parsons21 June 2026Trustindex verifies that the original source of the review is Google.
Dean and his team delivered an important job for us on time and with the minimum of disruption. They were excellent communicators, keeping us up to speed with progress and issues and keen to see everything done to our satisfaction. Our complex problem was resolved in the most appropriate and least expensive way, for which we are very grateful to them all.Posted on Google![]()
Rachel McDonald19 June 2026Trustindex verifies that the original source of the review is Google.
We had a major issue with our drain, that was causing major issues. Dean and the team were great, not only going above & beyond, but also being honest, reliable & made sure to get the job done to perfection. Would highly recommend.Posted on Google![]()
Rebecca Noyes19 May 2026Trustindex verifies that the original source of the review is Google.
Dean and the team were excellent from start to finish. They recently installed a new pump station and water treatment plant for us after our previous system collapsed, and I genuinely couldn’t recommend them highly enough. They quickly found a pragmatic and cost-effective solution to what was quite a complex problem, making sensible use of the existing drainage wherever possible to help keep costs under control. As is often the case with projects like this, additional complications arose once work began, but at every stage they approached things calmly and professionally, always finding solutions that were practical, proportionate, and clearly well thought through. They were also a pleasure to have on site - considerate of the wider garden and driveway, exceptionally polite, and clearly very knowledgeable without ever taking advantage of the scale of the project. Communication, follow-up, and aftercare have all been excellent too. A trustworthy, dependable, and highly professional team that I would not hesitate to recommend.Posted on Google![]()
Tanya Porter8 April 2026Trustindex verifies that the original source of the review is Google.
Recommended from another drainage company who couldn't carry out the work. Was given great price. Work was carried out to great standard in good timescale. Very happy so would definitely recommendPosted on Google![]()
Chloe Adamson31 March 2026Trustindex verifies that the original source of the review is Google.
We have just had a septic removed and a new sewage treatment installed and drainage on our house Dean and Adam were really good and friendly with the neighbours . We would use them again and recommend them to othersPosted on Google![]()
lacie nelson6 February 2026Trustindex verifies that the original source of the review is Google.
we were selling our house and found that our septic tank needed upgrading to a sewage treatment tank or we couldn’t sell . In a panic we called Groundsource and Dean was really helpful and calmed us down. Dean and Arren came and got the job done with little fuss and informed us about the job all th way through . The sale is now back on and i can’t thank Dean enough, i would highly recommend and will use them again if ever needed.Posted on Google![]()
Mark Powell3 February 2026Trustindex verifies that the original source of the review is Google.
I can highly recommend Ground Source Drainage as they really do know their stuff. I was getting fed up of conmen coming round and telling me about injecting my 200 year old solid walls when I knew this wouldn’t work! Dean from Ground Source Drainage took one look and instantly said “you need a French drain or an ACO system, but the French drain would look more in keeping” this was music to my ears because I was already pretty sure that a French drain would solve the problem permanently as two other people with older buildings had already suggested the idea. Dean and Neil were very professional, worked extremely fast and always made sure that they cleaned up as they worked, and Dean was 100% right the finished job looks absolutely fantastic!Posted on Google![]()
Calum Leader28 January 2026Trustindex verifies that the original source of the review is Google.
Over the moon with the service from ground source, we had a failed septic tank, dean and ground source come out and was absolutely amazing, put in a new upgraded tank for us, everything from dealing with the team over the phone to the completed job was 100 % all the way through, brilliant company and would definitely recommend.Posted on Google![]()
Daniel Codd15 January 2026Trustindex verifies that the original source of the review is Google.
Fantastic service Dean went above and beyond, would not hesitate to recommend them, a very professional service. Billy coddPosted on Google![]()
John Stanyon29 October 2025Trustindex verifies that the original source of the review is Google.
Dean recently installed a sewage treatment plant at my house. The job wasn’t without it’s problems but having turned up when they said they would the job was completed on time and on budget by a really helpful, friendly team who restored the site to a very high standard. Anyone wanting a similar job done, go to Ground Source Drainage for excellent results.
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