Perth, WA
0461 414 214
Servicing Perth Metro

Civil construction done right. Based in Perth, WA.

From residential subdivisions to commercial developments, Cornish Civil Construction delivers reliable earthworks, drainage, road works, and underground services across the Perth metropolitan area.

Civil construction earthworks and site development in Western Australia

Based in

Leeming, WA

Licensed & Insured
Quality Guaranteed
On-Time Delivery

What We Do

Our Services

Comprehensive civil construction services for residential subdivisions and commercial developments across the Perth metro area.

Earthworks
Popular

Core Services

Earthworks

Bulk excavation, cut and fill, land clearing, and site leveling for residential and commercial developments. We operate a fleet of modern earthmoving equipment to handle projects of any scale.

Site Preparation
Popular

Core Services

Site Preparation

Complete site preparation including clearing, grubbing, stripping, and compaction. We ensure your site is level, stable, and ready for the next stage of construction.

Drainage
Popular

Core Services

Drainage

Stormwater drainage systems, retention basins, swale drains, and pipe installation. We design and install drainage solutions that meet local council and engineering specifications.

Road Works

Core Services

Road Works

Road base preparation, kerbing, asphalt works, and footpath construction. From subdivision roads to commercial access routes, we deliver to specification and on schedule.

Underground Services

Core Services

Underground Services

Installation of water mains, sewer lines, gas, electrical conduits, and telecommunications infrastructure. Trenching and backfill completed to utility authority standards.

Residential Subdivisions
Popular

Project Types

Residential Subdivisions

End-to-end civil works for residential subdivisions including lot formation, road construction, drainage, and all underground services. We work closely with developers and councils.

Commercial Developments

Project Types

Commercial Developments

Large-scale civil construction for commercial and industrial developments. Site preparation, heavy earthworks, access roads, and services infrastructure delivered on time and on budget.

About

Civil construction built on reliability

Cornish Civil Construction is owned and operated by Blair Cornish, a Western Australia–based civil contractor with deep experience across earthworks, drainage, road construction, and underground services.

We specialise in residential subdivisions and commercial developments throughout the Perth metropolitan area. Every project is managed hands-on — from initial site assessment through to final handover — ensuring quality workmanship and clear communication at every stage.

Whether you need bulk earthworks for a new subdivision or underground services for a commercial development, give Blair a call to discuss your project requirements and get a no-obligation quote.

Experienced Team

Years of hands-on civil construction experience across earthworks, drainage, and road works throughout the Perth metropolitan area.

Efficient Delivery

We plan meticulously, mobilise quickly, and deliver on schedule. Our clients count on us to keep their projects moving.

Direct Communication

You deal directly with Blair. No layers of management — just honest advice and clear updates from start to finish.

Why Us

Why Choose Cornish Civil

Reliable civil construction across the Perth metropolitan area. We bring professionalism, quality, and clear communication to every project.

Licensed & Insured

Fully licensed and comprehensively insured. We meet all WA regulatory requirements so you can have peace of mind.

On-Time Delivery

We understand that delays cost money. Our projects are planned and executed to meet your deadlines, every time.

Quality Workmanship

All work completed to Australian standards and local council specifications. We take pride in getting it right the first time.

Free Quotes

Contact us for a no-obligation quote on your next project. We provide transparent, competitive pricing with no hidden costs.