Established Expertise, Genuine Relationships

Established Expertise, Genuine Relationships, and a Family Legacy in Building Certification.

Building on a Foundation of Experience and Trust

Custom Building Approvals was founded by Joshua Milgate, who began his career as a Cadet Building Certifier, working alongside his father. From this solid foundation, he built a practice focused on reliability, expertise, and genuine client relationships.

Our Mission

More Than Just Building Approvals

Our mission is to simplify the building approvals process by providing reliable, professional service built on decades of expertise. We are dedicated to delivering a truly seamless and efficient experience for every client, every time.

We believe in building genuine, lasting partnerships, founded on trust and transparency, and we leverage our combined experience to ensure every project is compliant, safe, and completed to the highest standard. This approach gives our clients the peace of mind that comes from knowing their approvals are in the hands of Queensland’s most reliable certifiers.

The Principles That Guide Our Every Action

We don’t just process paperwork; we operate with a clear set of principles that ensure every interaction is transparent, efficient, and focused on your project’s success. 

Integrity & Transparency

We operate with complete honesty in every aspect of our work. From our fair pricing with no hidden fees to our professional advice, you can trust us to be a partner you can rely on.

Proactive Efficiency

Your project timeline is our priority. Our systematic approach and use of industry-leading software ensure that every application is processed in a timely and organised manner, keeping your project moving forward.

Unmatched Expertise

With a team of licensed certifiers bringing decades of combined experience, we provide a level of knowledge and insight that is unmatched in the industry. Your project is in the hands of seasoned professionals.

Direct Communication

We provide a direct line of communication. You will always have access to our dedicated team, ensuring you receive clear answers and expert guidance to keep your project moving forward with confidence.

Our Expert Team

Meet the Dedicated Professionals Committed to Your Approval

Our small but highly experienced team brings decades of combined knowledge and a genuine passion for client service to every project. We’ve built our reputation on providing professional guidance and meticulous attention to detail, ensuring your approvals process is handled with the expertise and care it deserves.

Joshua Milgate

Cadet Building Certifier

Joshua Milgate

Cadet Building Certifier

Joshua Milgate

Cadet Building Certifier

Joshua Milgate

Cadet Building Certifier

Our Story

Your Local Experts in Building Approvals

Custom Building Approvals was established in Caloundra, Queensland, with a vision to provide reliable, efficient building certification services across the Sunshine Coast and beyond.

Our founder, Joshua Milgate, brings years of industry experience, having started his career as a Cadet Building Certifier working with his father before branching out to create his own practice focused on client service excellence.

Today, we’re proud to serve residential, commercial, and multi-residential projects with our small but highly experienced team. Every team member brings between 7-35 years of industry expertise, and we’ve maintained 100% staff retention since our inception.

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Projects Completed

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Years of Combined Experience

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7 - 35 Years Per Member

What We Deliver

Why We're the Right Choice

Our commitment is to make your building approval process as smooth and stress-free as possible. Here’s how we ensure a superior experience on every project.

Direct Team Access

Speak directly with our experienced team and not an answering service or receptionist. This ensures you get expert advice and clear answers right when you need them.

Systematic Processing

Our Visual Approvals software ensures timely, organised processing of all applications, making your project journey smooth and efficient.

Competitive Pricing

We offer a fair, transparent pricing structure with no hidden fees or surprises, so you can plan your budget with confidence.

Reliable Communication

We provide regular updates and maintain clear communication throughout your project timeline, keeping you informed and giving you peace of mind.

trusted by 103+ Happy Clients

What Our Clients Say