
Geotechnical & Structural Engineering Consultants
Christchurch & Canterbury
Branch Consulting provides practical, site-specific geotechnical and structural engineering services for residential projects. We work with homeowners, builders, architects, and designers – delivering clear advice and consent-ready documentation without the big-firm overhead.
Clear, Practical Engineering
Residential projects don’t need unnecessary paperwork or big-firm overheads. Canterbury ground conditions and council requirements often mean site-specific assessment and engineering design is required. We handle the technical details so your project can move forward smoothly.
Our Services

Geotechnical Investigations & Reports
Site-specific geotechnical investigations including auger drilling and Scala penetrometer testing in accordance with NZS 3604. Clear, council-ready reports for new builds and renovations.

Foundation & Structural Design
Engineering design for slab-on-grade and other foundation systems, including structural calculations and documentation for residential new builds, alterations, and extensions.

Earthquake Damage Assessments
Engineering inspections and professional advice for earthquake-related damage, insurance assessment, and repair planning.
Recent Projects
Oxford – New Dwelling
Soil investigation for a brick veneer home on flat land. Scala penetrometer testing confirmed >300kPa bearing capacity – NZS3604 “Good Ground”. Standard waffle slab. Report in 5 days.
Lake Tekapo – New Dwelling
Geotechnical investigation on glacial moraine site. Cut/fill building pad. >300kPa bearing. “Good Ground” confirmed under NZS3604.
Nelson – Retaining Wall
Retaining wall under existing dwelling after soil slip beneath pile foundations. 20 Series Block concrete wall with PS1 and PS4.
Sumner – Deck
Cantilevered deck on steep cliffside property. Structural design and PS1. Engineered to avoid deep foundations near slope edge.
Working With Builders & Architects
We’re your go-to engineering consultant. Fast turnaround, PS1/PS2/PS4, direct access to the engineers doing the work.
Indicative Pricing
A straightforward geotechnical report for a flat TC2 site typically starts from $1,400 + GST.
Contact us to discuss your project and receive a fixed-price quote.
Contact Branch Consulting
Email: james@branchconsulting.co.nz
Phone: 021 211 7347
