Rounce Project Solutions Ltd is one of Nelson's leading wastewater design and consultancy companies.

We specialise in wastewater design.

We service the Nelson, Tasman. Marlborough & West Coast regions providing assistance to building construction companies, architects  & homeowners.  

Contact us to discuss your project.


Services We Offer

  • Domestic Wastewater Design & reporting for resource consent & building consent applications
  • Domestic Wastewater Design & reporting for certificate of acceptance
  • Commercial Wastewater Design
  • Subdivision Wastewater feasibility reports
  • Wastewater expert witness
  • Stormwater soakpit design & reporting for resource consent & building consent applications


How We Can Help

  • Professional, prompt & efficient service
  • Independent designer - Familiar with all leading wastewater system types & can offer experienced advice on the right wastewater system for your circumstances
  • Close working relationship with all local Councils - prompt building consent/resource consent approvals
  • Accredited Tasman District Council & Marlborough District Council Site & Soil Assessor