NADC Members & Accredited Engineers
4.7
75 Reviews
4.9
104 Reviews
What's Involved
Septic tank installation in Bournemouth covers properties that sit off the mains sewer network and need a reliable, compliant solution for wastewater. Our engineers install both traditional septic tanks and modern sewage treatment plants, which use an aerated pumping system to cleanse water to a standard safe enough to divert into a stream or watercourse, meeting current environmental requirements.
Every septic tank installation in Bournemouth includes a full drainage field where required, ensuring the system works effectively for the size and use of your property. This is a longer, more involved job than most drainage work, often taking a full week on-site, but it’s an area we’ve specialised in for over 20 years while many drainage companies avoid it. We manage the entire process from initial assessment through to a fully working system, using POLYPIPE and OSMA materials throughout. Every installation is carried out to meet current environmental and building regulations, giving you a system that’s fully compliant from day one.
Why It Matters
Septic tank installation is a specialist job that many drainage companies steer away from due to the time and expertise required. Our engineers have carried out septic tank installation in Bournemouth for two decades, giving homeowners and property owners confidence that the system will be sized, positioned, and installed correctly from the outset.
We’re NADC accredited and explain every stage of the process clearly, from the type of system best suited to your property through to ongoing compliance requirements. Fixed rates are confirmed before work begins, with a free quote provided for the full scope of the installation. Whether you need a straightforward septic tank replacement or a full sewage treatment plant for a larger property, our local experience across Bournemouth means the job is handled properly, not rushed. We manage the project from start to finish, coordinating groundworks and installation so you’re not left dealing with multiple contractors.
Our Reviews
Google 4.7 · 75 Reviews
Facebook 4.9 · 104 Reviews
5.0
Southern Drainage resolved our drainage issue quickly and charged exactly what was quoted. The engineers were friendly and respectful of our property. If you want the job done right the first time, look no further.
Matthew Torres
5.0
We had a major drain blockage backing up into the house on a weekend, and Southern Drainage and Water Limited responded incredibly fast. The engineer arrived quickly, diagnosed the problem immediately, and had everything cleared and cleaned up in no time. Highly recommend their emergency service!
Eugene Morrison
5.0
Professional, friendly and knowledgeable! We are extremely happy with the service and work we received for our recent blocked drain and replacement of the cracked gulley. Whilst there were some difficulties scheduling work due to the weather, I was impressed with the level of comms from Ryan regarding changes in plans.
Sam Austin
5.0
We Highly Recommend Ryan and his Team. Very Friendly, Professional and Prompt Service. Ryan answered our call straight away, was very helpful with advise re drain issues, made an appointment to come out quickly, he and his team fixed the problem the same day. Great guys, totally honest trustworthy and reliable. Wouldn't use anyone else now! Thank you very much for all of your help. Mr and Mrs Garrett
Deb White
5.0
Had a super service from Ryan and the team the were professional and quickly sorted out the blockage causing the issue. If you want a great service I’d recommend southern water and drainage to help. Thanks again!
Rachael Smith
5.0
I have had a long-standing issue with a major drain blockage, Ryan came along and what an incredible guy, very friendly, polite, professional and helpful and got the job done very quickly and now we're all clear and shouldn't have anymore issues thanks to you Ryan, so we appreciate your work so much and thankyou again for getting us sorted. All the best and Merry Christmas
Kelly Wilks
Why The South Of England Chooses Us
Never charged in over 13,000 customer visits. You only pay for the work carried out.
Every completed repair comes with a 15-year guarantee certificate, backed by our workmanship standards.
Available around the clock, with engineers aiming to reach you within 2 hours of your call.
Labour rates and any machinery costs confirmed by phone before we attend your property.
Fully trained and accredited by the National Association of Drainage Contractors, meeting recognised industry standards.
Wincan CCTV cameras diagnose the exact problem and structural resin liners fix it permanently. No digging, no disruption to your property.
4.7
75 Reviews
4.9
104 Reviews
Get in touch
Whether you need an emergency callout or want to book a CCTV drain survey, the team is here to help. We provide drainage in the South of England 24 hours a day, 7 days a week, so get in touch however suits you best.
Common Questions
A septic tank relies on natural settlement, while a sewage treatment plant actively aerates and pumps water to a cleaner standard, suitable for discharge into a watercourse.
A full septic tank or treatment plant installation typically takes around a week on-site, depending on ground conditions and system size.
Many installations require building regulations approval and environmental compliance. We can advise on what’s needed for your specific property.
This depends on your property size, usage, and local environmental regulations. We assess this during an initial site visit before recommending a system.
Yes, periodic emptying and servicing keeps the system working efficiently. We can advise on a maintenance schedule suited to your household size.
