Old Coast Building

Old Coast Building • Custom Home Builder
• Bunbury & South West WA
• Luxury Renovations
• [email protected]
Start Your Dream Build Today ⬇️

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A new place to discover Old Coast Building.We’re proud to join Top Australian Homes as an official directory partner—con...
03/09/2026

A new place to discover Old Coast Building.

We’re proud to join Top Australian Homes as an official directory partner—connecting our work with homeowners, architects, designers and industry professionals across Australia.

For those dreaming of an architecturally inspired home, finding the right builder is one of the most important decisions you’ll make. This partnership makes it easier to discover who we are, explore our work and connect with our team here in Bunbury and the South West.

A special thank you to the team at Top Australian Homes for creating a platform that celebrates Australian design, craftsmanship and the people behind beautiful homes. We’re excited to be part of it.

Old Coast Building
Custom homes · Bunbury & South West WA

30/08/2026

OLD COAST BUILDING

oldcoastbuilding.com

BE FIRST TO WATCH.OCB TV drops this December.Join the list in our OCB TV Highlight.
11/08/2026

BE FIRST TO WATCH.
OCB TV drops this December.
Join the list in our OCB TV Highlight.

The brand behind the builder.Creating a high-end experience with the same attention to detail that goes into every home....
06/08/2026

The brand behind the builder.

Creating a high-end experience with the same attention to detail that goes into every home.
Bringing each build to life by telling the stories behind it.

💫 Autumn

OLD COAST BUILDINGBuilding more than homes.Creating lifestyles.Architectural Custom HomesBunbury & South West WA
05/08/2026

OLD COAST BUILDING

Building more than homes.
Creating lifestyles.

Architectural Custom Homes
Bunbury & South West WA

The builder behind the brand. Passionate about pushing the limits of custom homes. Working closely with every client to ...
05/08/2026

The builder behind the brand.

Passionate about pushing the limits of custom homes. Working closely with every client to create homes that are anything but standard, with architectural design, quality craftsmanship, efficient build times, clear communication and an experience that’s enjoyable from start to finish.

Seven weeks in.The details are starting to tell the story.Fascia, eaves and battens are going on, with roof cover next.O...
15/07/2026

Seven weeks in.
The details are starting to tell the story.
Fascia, eaves and battens are going on, with roof cover next.

Old Coast Building
Designing and building custom homes across Bunbury & the South West.

Arched mirrors, warm brass, stone that does the talking. This is what custom actually looks like in the South West.No di...
09/07/2026

Arched mirrors, warm brass, stone that does the talking. This is what custom actually looks like in the South West.

No display homes, no cookie cutter floor plans, just Bunbury’s answer to high-end living. Save this one, it’s the standard we build to.

20 weeks. Start to finish.This wasn’t a display home. It was built for one family, on their block, around how they actua...
01/07/2026

20 weeks. Start to finish.

This wasn’t a display home. It was built for one family, on their block, around how they actually live.

That’s the difference between custom and everyone else’s template.

Old Coast Building. Custom home builders, Bunbury & South West.

Address

Bunbury, WA
6230

Opening Hours

Monday 7:30am - 5pm
Tuesday 7:30am - 5pm
Wednesday 7:30am - 5pm
Thursday 7:30am - 5pm
Friday 7:30am - 3:30pm

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