
Modern Civil Engineering
Backed by Experience. Designed for Growth.
Our Services
Our team of smart, people-focused engineers leverages the latest technology to provide smart, people-focused outcomes across all stages of land development. We pride ourselves on our deep understanding of local council regulations and state legislation, ensuring smooth project progression from inception to completion.
Civil.
Design.
Management.
Feasibility & Planning
Due diligence reporting
Development cost opinions
Project feasibility analysis
Engineering and specialist reporting
Costing & Procurement
Bill of quantities
Full construction cost opinions
Preparation of tender documentation and calling of tenders
Design & Documentation
Civil detailed design and documentation of operational works drawings
Stormwater and flood management
Erosion and sediment control
Approvals & Applications
Preparation and lodgement of development applications
Preparation and lodgement of connection applications
Preliminary engineering drawings
Construction & Project Management
Construction audit inspections
Project management
As a Unitywater Accredited Entity and Registered Certifier, we are authorised to assess and certify connections to Unitywater’s water and sewerage networks across the Sunshine Coast, Noosa & Moreton Bay region. Our accreditation ensures we meet Unitywater’s stringent standards for engineering design and construction compliance.
What this means for your project:
We can certify and submit water and sewerage Certification Packages directly to Unitywater on your behalf.
Our in-house certifiers ensure designs and constructed assets meet Unitywater’s approval requirements and standards.
We handle the full certification process for non-trunk infrastructure connections, helping you avoid delays and streamline approvals.
With us, you benefit from direct engagement and oversight from a recognised Accredited Entity, ensuring confidence at every stage.
Certified Services

Good engineering design can deliver substantial cost savings throughout the projects lifetime.
Built on Relationships. Driven by Outcomes.
Why choose Barlow Shelley?
Experienced Leadership: Our director, Tony Shelley, is a Registered Professional Engineer of Queensland (RPEQ) with a hands-on approach to every project.
Local Insight: Having operated on the Sunshine Coast for over two decades, we possess in-depth knowledge of regional development dynamics.
Client-Centric Approach: We collaborate closely with clients, ensuring solutions are tailored to specific project requirements and community needs.
Innovative Solutions: Our commitment to leveraging cutting-edge technology ensures efficient and sustainable engineering outcomes.
We recognise that each project is unique.
Get in touch with us so that we can understand your needs and provide a detailed proposal and scope of works. We are available to meet and discuss any enquiry you may have by appointment.