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.

Affordable Septic Tank Design Solutions

BASIC Tank Inspection

$376.51

excl GST

If you’re selling or buying a home, planning a renovation or extension, or building new, this service allows us to visit your site and provide preliminary guidance on what might be a suitable solution for you. (Please note: this is advice only, not a consent pack. If you purchase a consent pack within 24months, the value of this service will be credited back)

Scheduled Visit

Basic Assessment

Basic Letter of Findings

Most Popular

BUILDING CONSENT PACK Testing, Reporting and Design

$2,584.31

excl GST

This package delivers a full Building Consent compliant On-site Effluent Treatment (OSET) design and report, prepared in accordance with NZS 1547:2012 and TP58 guidelines. It includes on-site soil testing, risk and feasibility assessments, and a detailed site-specific design. The report is comprehensive (75–100 pages), covering everything from desktop studies and site investigations through to system design, appendices, and a Producer Statement (PS1) for council lodgement. The result is a complete, council-ready consent pack that ensures compliance while providing practical, tailored wastewater solutions.

Testing to 2.1-2.5m deep

Lab Testing and Reports (as needed)

Full Report including desktop studies, site investigations and system design

PS1 Complaince Document

RESIDENTIAL PUMP STATIONS Who says you can't push poop uphill? We do it all day long!

$2,468.22

excl GST

This package provides a compliant pump station design and report for residential properties connecting to a reticulated network, prepared in accordance with NZS 1546:2008 and AS/NZS 3500.2. It includes on-site risk management and feasibility assessments, along with a detailed, site-specific design tailored to the property. The report is comprehensive, incorporating desktop studies, load certification, design drawings, and a Producer Statement (PS1) for council lodgement. The result is a complete, council-ready consent pack that ensures compliance while delivering practical and sustainable pump station solutions.

Scheduled Visit

Basic Assessment

Basic Letter of Findings

ORCHARD TOILET Testing, Reporting and Design

$2,155.63

excl GST

This package provides a compliant On-site Effluent Treatment (OSET) design and report for orchard toilet facilities, prepared in line with NZS 1547:2012. It includes on-site soil testing, risk and feasibility assessments, and a detailed site-specific design tailored to low-volume rural toilet use. The report is comprehensive (75–100 pages), with desktop studies, site investigations, design drawings, appendices, and a Producer Statement (PS1) for council lodgement. The result is a complete, council-ready consent pack that ensures compliance while delivering a practical and sustainable wastewater solution for orchards and rural properties.

Testing to 2.1m deep

Lab Testing and Reports (as needed)

PS1 Complaince Document

DPA and BC Documents Filled In

Need a price on something else?

If it's to do with water, we do it! Feel free to reach out for pricing anytime. We'll talk through your needs and provide a GUARANTEED FIXED PRICE for our service + 100% MONEY BACK GUARANTEE.

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)