WE THINK ABOUT POO, SO YOU DON’T HAVE TO!

NZ's Trusted Independent Septic Tank Designers

Managing Septic Tank and Wastewater needs with expert advice, reliable testing, and complete design solutions. Our team delivers practical, council-ready results that ensure long-term efficiency, compliance, and peace of mind.

Advice, Testing, Reporting, Building Consents, Resource Consents, Orchard & Rural Toilets and OSET.

An engineer installs manhole cover or septic tank lid on concret

Expert Designs

Ensure your system runs smoothly with NZ's expert septic solutions, dedicated to efficient and reliable designs.

WE PUT SIMPLICITY AT THE FOREFRONT OF EVERY DESIGN!

What our customers are saying:

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"Septic Tank Solutions exceeded our expectations with their prompt and professional service. They managed the consent process efficiently, providing practical solutions along with accurate and comprehensive reporting. The outcome through council was positive, with great feedback from our clients and even more praise from the drainlayers onsite. Thank you, Septic Tank Solutions!"

- Jason C, Architect

"As a drainlayer, I really appreciate working with Septic Tank Solutions. Their designs are clear, practical, and easy to build on site - no overcomplicated details that slow the job down. The consent paperwork is always spot-on, which saves us time with council. Every project we’ve done together has run smoothly, and I know I can rely on them for straightforward solutions that actually work."

- James T, Licensed Drainlayer

"Working with Septic Tank Solutions made the whole process stress-free. Their team was professional, knowledgeable, and quick to respond to our questions. They managed the consent process from start to finish and provided a practical design that our drainlayer found straightforward to install. Council approval went through without any issues, and we’ve had excellent feedback from everyone involved. We wouldn’t hesitate to recommend them."

- Sarah & James M, Alteration

"Septic Tank Solutions went above and beyond. They explained the process clearly, handled all the council paperwork, and kept us updated at every step. Their report was thorough and easy to understand, and the final system was simple, affordable, and built exactly as designed. We’re really impressed with the level of service and would definitely use them again."

- Mark & Helen P, New Build

Risk free service and designs - now that's anything but crap service!

Fixed Price + 100% Money Back Guarantee

We may work with poo all day, but our designs are anything but! For your absolute peace of mind, we proudly offer a 100% MONEY BACK GUARANTEE - if your consent is refused due to OSET, you’ll get every cent back. That’s our promise to you!

And with our FIXED PRICE GUARANTEE, you’ll never face unexpected bills — just peace of mind from start to finish.

Contact Our Team

Reach out to NZ's leading independent septic tank specialists for all inquiries.

[email protected]

0800 MY NEW DUNNY (0800 696 393)