01: Land Development
Master planning, subdivision design and civil works for residential and commercial developments. We transform land into thriving communities.
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What We Do
We engineer practical, sustainable solutions that support the way people live, work and grow.
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What We Do
Our Track Record
Comprehensive civil engineering services
From concept through to completion, we deliver engineering solutions that uphold the highest standards of quality and sustainability. Backed by decades of experience and a nationally connected team, our integrated approach ensures seamless delivery across masterplanned communities, infrastructure projects and energy transformation initiatives across Western Australia and Victoria.
Our Services
Our Areas of Expertise
We specialise in three key areas, bringing deep expertise and proven methodologies to every project.
02: Infrastructure
Roads, drainage, water and sewer infrastructure for government and private clients. We build the essential services that communities rely on.
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03: Energy Transformation
Renewable energy infrastructure, microgrids and sustainable power solutions. We're helping Australia transition to a clean energy future.
Learn MoreOur Clients
For over 35 years, Cossill & Webley has partnered with Australia’s leading developers, government agencies and private clients to deliver award-winning engineering projects in Perth, Melbourne and Geelong.
