Rockdale Apartments, NSW

Kingsford Homestead, SA

Schofields Kew Apartments, NSW

Bethany House, SA


Surveying and geotechnical assessment

Triaxial engage and co-ordinate with surveying and geotechnical experts, becoming a one-stop-shop for technical expertise in the residential sector.


Foundation Design

We engineer raft and waffle pod foundations as a standalone service for clients wishing to utilise framing or building designers to complete their engineering package.

Specialist Engineering

In addition to the above, Triaxial provides a number of specialist engineering services in the residential sector, including modular design, rammed earth walls, precast construction, swimming pools, retaining and batter design, pavements, flood studies and wastewater.


From project homes to award winning architecturally designed houses, we work with builders, architects, designers and of course owners to engineer their additions, alterations or new homes.


We have extensive experience providing a complete civil

and structural engineering service for multi-storey

residential buildings.


Structural Inspections

Triaxial provides structural inspection services in the residential sector, from assessments through to inspections during construction.



Our civil teams have decades of experience working with councils, developers and key stakeholders on both small

and large (2,000 + allotment) residential subdivisions.

Residential Framing Design

Triaxial can engineer all types of residential framing, including timber/steel studwork, timber/concrete/steel lintels, structural steelwork and suspended framing.

"Triaxial are easy to deal with and they think outside of the box."


AKA Studio


Darwin House, NT (Winner of National Project Home, 2019)

Adelaide Hills House, SA 

Mudgee House, NSW (Rammed Earth Walls)