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Builder-led Projects with On-site Involvement
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Transparent Quoting & Cost Breakdowns
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Award-nominated Craftsmanship (MBA Nominee 2023, 2024 & 2025)
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End-to-end Project Management
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Strong Network of Architects & Interior Designers
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Support with Planning & Building Permits
As leading custom home builders who help Coburg and Kew locals looking for a builder, we create homes that reflect your aspirations.
Blue Diamond Building & Construction understands that your home is more than just a structure; it’s a sanctuary where you share lots of memories with friends and family!
Call 1300 512 018 or email admin@bluediamondbc.com for quality builds and a customised service throughout your building journey.
Collaborative Approach to Custom Home Building
Let’s take a quick look at our design and building processes!
- Personalised consultation to understand your vision
- Connecting you with a team of reliable architects and interior designers
- Transparent quoting with detailed cost breakdowns
- Guidance on permits, compliance, and local council approvals
- Regular site meetings for progress transparency
We take pride in our long-standing relationships with clients, suppliers, and industry partners, which are a testament to our dedication and reliability.
Trustworthy Custom Home Builders for Coburg Locals
Ready to bring your dream custom home to life in Coburg, Hawthorn and Mornington? Get in touch with Blue Diamond Building and Construction today to request a consultation.
With our extensive industry experience, collaborative approach, and commitment to craftsmanship, Blue Diamond BC brings all client visions to life. Join us to create stories and memories that will last a lifetime!
10 Must-Know Tips Before You Build, Renovate or Extend
What Every Homeowner Should Know Before They Build, Renovate or Extend


This award honours members of the building and construction industry who exemplify outstanding craftsmanship, unwavering dedication to building excellence, and a steadfast commitment to upholding the professional standards of Master Builder Victoria.


Custom Home Builders for Coburg Residents: Why Choose Blue Diamond BC?
Planning for a new build or renovation? There are so many reasons to reach out to Blue Diamond BC as your custom home builders.
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Over 25 years of hands-on custom building experience
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Award-nominated craftsmanship and quality
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Customised service from consultation to completion
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Collaborative approach with clients, designers, and trades
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Transparent quoting and detailed contract preparation
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Guidance on permits, compliance, and local council approvals
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Access to trusted architects, interior designers, and engineers
We are proudly nominated by Master Builders Victoria for always upholding professional standards for home renovations across Melbourne.
Explore Some of Our Current Projects
Custom Builders for Coburg Locals: Frequently Asked Questions
The cost of building a custom home in Australia varies depending on factors such as site access, size, and design complexity. Talk to our team and we can give you some guidance.
Custom homes often command a higher resale value due to their unique designs, high-quality materials, and attention to detail. By working with custom home builders like Blue Diamond BC, you can create a home that not only meets your specific requirements but also appeals to potential buyers in the future.
Areas we serve
- Custom Home Builders Brighton
- Custom Home Builders Brunswick
- Custom Home Builders Coburg
- Custom Home Builders Dromana
- Custom Home Builders Essendon
- Custom Home Builders Fairfield
- Custom Home Builders Frankston
- Custom Home Builders Hawthorn
- Custom Home Builders Kew
- Custom Home Builders Malvern
- Custom Home Builders Mornington
- Custom Home Builders Mornington Peninsula
- Custom Home Builders Mount Eliza
- Custom Home Builders Mount Martha
- Custom Home Builders Northcote
- Custom Home Builders Pascoe Vale
- Custom Home Builders Richmond
- Custom Home Builders Rye
- Custom Home Builders South Yarra
- Custom Home Builders St Kilda