From custom decking and pergolas to fire pits and full outdoor entertaining areas โ Chalmers Construction Group brings family values and expert craftsmanship to every build on the Peninsula.
What We Do
We specialise exclusively in outdoor living spaces โ giving you the focus, craftsmanship and attention to detail that generalist builders simply can't match.
Our Signature Service
Beautifully crafted timber and composite decks tailored to your home and lifestyle. Every board placed with purpose โ designed to complement your architecture and built to handle the Australian climate for decades to come. From ground-level platforms to elevated entertainer's decks, we handle it all.
Get a quote for your deck โCommercial Projects
For commercial construction projects, we proudly partner with Elevation Building and Design โ bringing together Chalmers' specialist outdoor construction expertise with Elevation's proven commercial capabilities.
Whether it's a commercial outdoor entertaining area, hospitality deck, cafรฉ space or development project, our partnership means two specialist teams working together seamlessly โ delivering exceptional results for businesses across the Mornington Peninsula.
Our latest commercial projects include Crittenden Winery and Fortitude Health Group โ two builds we're particularly proud of.
Seamless project management โ one clear point of contact, no gaps between trades.
Specialist outdoor expertise โ Chalmers handles all outdoor living elements within the broader build.
Commercial compliance & quality โ experienced in delivering to commercial standards and timelines.
Peninsula locals โ we know the area, the council requirements, and the best local suppliers.
Hospitality & retail spaces โ outdoor dining, cafรฉ decks and resort-style entertaining are a partnership speciality.
Come See Us in Person
Before you commit to a build, come and see our work in person. We have a permanent display at Boundary Garden Supplies in Somerville โ walk around, inspect the joinery, touch the materials, and judge the quality with your own eyes.
Our display showcases real decking and pergola construction up close. The team at Boundary are happy to point you in the right direction, or give us a call to arrange a time to meet on-site.
We believe the quality of a build speaks for itself. That's why we put our work on permanent display โ so you can judge it firsthand, not just from photos online.
Looking for directions? Find us at Boundary Garden Supplies, Somerville VIC โ
Get a Quote After Your Visit โWhy Choose Us
At Chalmers Construction Group, we treat every project like it's our own home. Founded by brothers Josh and Tom, every build is guided by honesty, craftsmanship, and genuine care for our clients.
Josh and Tom are hands-on at every stage โ from the first call to the final walkthrough. You'll always know who's responsible for your project.
We don't do everything โ we do outdoor living exceptionally well. That focus means a higher standard of finish on every single job.
Clear quotes, honest timelines, and no surprises. We won't start work until you're completely comfortable with the plan.
We live and work here. We understand the conditions, council requirements, and the materials that hold up best on the Mornington Peninsula.
"We treat your home like our own โ because our name is on every piece of work we do."
Our Work
Client Reviews
We let the work speak for itself โ but our clients do a pretty good job of that too.
"Had a complete commercial done by the boys at Chalmers Construction Group, could not be happier and would encourage these guys for any work. Anyone else would have taken twice as long for half the quality. Josh, Tom and the boys were amazing and got it all done without hassle. Strongly recommend."
"Great experience with Chalmers Construction Group. Josh and Tom were professional, reliable, and made the entire process easy and smooth. Would happily recommend."
"I'm so happy with my new veranda. Such a hard working team. Can't thank them enough. It looks fabulous."
"Professional service, amazing communication โ definitely using Chalmers Construction Group for future services!"
Our Story
Chalmers Construction Group was founded by brothers Josh and Tom with one belief โ that every client deserves the same care and attention you'd give your own home.
Josh brings a background in plumbing and business operations, with a passion for creating outdoor spaces people truly love. Tom is a skilled carpenter with an eye for design and a dedication to building his team's capabilities. Together, they've built a business the Peninsula trusts.
Honest quotes, honest timelines. We say what we mean and deliver what we promise.
We're proud of every project we complete. Quality is never negotiable, no matter the budget.
We treat your property with the same respect we'd give our own family's home.
As locals, we're genuinely invested in the Mornington Peninsula โ its homes and its people.
Get in Touch
Fill out the form and we'll get back to you within one business day with a no-obligation quote. We service the entire Mornington Peninsula and surrounding areas.
Where We Work
Based in Langwarrin South, we build custom decks, pergolas and outdoor living spaces across the entire Peninsula. Here's where you'll find our work.
From beachside homes to leafy residential streets, we've built some of our most striking decks and pergolas right here on our doorstep. Composite and hardwood decking suits the coastal conditions perfectly.
Our home base. We know Langwarrin's larger blocks and established gardens inside out โ perfect for expansive entertaining decks, freestanding pergolas and fire pit areas that make the most of the space.
Mount Eliza's prestige homes demand a premium finish. We specialise in high-end composite decking, architectural pergolas and seamless indoor-outdoor living spaces that complement the area's elevated architecture.
Mornington's mix of classic weatherboard homes and new builds keeps us busy year-round. Whether it's a wraparound veranda on a heritage home or a modern entertaining deck on a new build, we get it right.
Coastal living at its best. Mount Martha homes benefit from decks and pergolas that frame the views and handle the sea breeze. We use materials rated for coastal exposure so your investment lasts for decades.
Holiday homes and permanent residences across Rosebud and Rye trust Chalmers for outdoor builds that maximise the Peninsula lifestyle โ relaxed, functional spaces built for long summers and family gatherings.
Growing families in Somerville and Baxter are transforming their backyards into proper outdoor rooms. We love working on these projects โ a well-built deck and pergola adds real value and years of enjoyment.
The rural-residential character of Hastings and Tyabb suits larger-scale outdoor builds. We've completed generous entertaining decks, freestanding pergolas and full backyard transformations throughout this area.
If you're on the Mornington Peninsula or surrounding areas, chances are we've worked near you. Get in touch and we'll come out for a free on-site quote.
Book a Free On-Site Quote โ