Services for Builders, Property Developers and Architects


Welcome to SIGA!

For over twenty five years (since 1993), SIGA Structural Engineering has been providing structural engineering services for builders, property developers, architects and building designers.

Our range of services include complete design and documentation of structural details for building projects including new developments, extensions or refurbishments. We also provide site inspections, structural certificates, structural reports and dilapidation reports as well as professional consultations, including advice and recommendations.

Some of the many types of projects and services SIGA can help you with are:

  • Industrial and commercial buildings

  • Residential dwellings and extensions

  • Medium density villas and townhouses and multi level units

  • Structural reports and certifications

For project specific information, please view our Projects & Services section.




P.O. Box 377, Castle Hill NSW 1765 (postal)

Level 1, Suite 8 261 Old Northern Road, Castle Hill NSW 2154 (street)


0407 214 387


Projects and Services

SIGA offers a wide range of services. For comprehensive examples, please visit our projects and services page. 



Contact us.

Fill in the form below to contact us. We'll be only too happy to see what we can do to help you.

Name *