(02) 4929 4109


PO Box 23, Charlestown, NSW 2290

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Wallace Design Group Pty Ltd


About Us

Design Services

Design Projects




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Technical Experts in Building & Infrastructure Services Engineering.

Think WDG. Think Plumbing (Hydraulic), Fire, Waste & Water Infrastructure, and Civil Design.

Wallace Design Group Pty Ltd

About Wallace Design Group

Wallace Design Group is an Established Design Consulting Firm specialising in Plumbing (Hydraulic), Fire, Waste & Water infrastructure and Civil Design. 

We are a strong team of consultants providing specific expertise to the building industry capitalising on the enthusiasm of youth and experience stretching over 50 years. We have a reputation for technical and consulting excellence. The high quality of consulting advice and service we provide to our clients is achieved through the skill and professional dedication of our staff, as well as the personalized client service by the director. 

We are dedicated to providing a comprehensive service which meets our client’s needs and expectations in specific terms relating to time, cost control, design, documentation and technical excellence. 

Our Clients

Our Design Services

We specialise in Plumbing (Hydraulic), Fire, Waste & Water Infrastructure and Civil Design Services in Lake Macquarie, Newcastle, The Hunter Valley and beyond.

Plumbing (Hydraulic)


Waste & Water Infrastructure


Projects Completed

Years Experience

Staff Employed


Proudly Lake Macquarie

Our Design Projects

With over 50 years of experience in design for various building and infrastructure projects, at Wallace Design Group we have seen it all.

Here is a snap shot from over hundreds of design projects across Lake Macquarie, Newcastle and the Hunter Valley.

DOMA Group

Shaun continues to deliver valuable outcomes on our projects by providing timely, concise advice early on during the design phase. Shaun works hard to problem solve and develop practical solutions to achieve the best possible outcome for the project.

Geoff Dimarhos
Assistant Development Manager

Our Accreditations & Memberships

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Book A Consultation with Wallace Design Group today!