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Local expertise. Personal service.

Your Custom Home Builder Mornington Peninsula

Crafted with care, designed for life.

We build and renovate homes through a collaborative approach, working closely with you to create a space that feels truly your own.

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KM Custom Homes · Mornington Peninsula

Reinvigorate your property or build fresh

At KM Custom Homes, we provide good old-fashioned service with a collaborative, honest and transparent approach. We believe every home should reflect the unique lifestyle and taste of its owners, which is why we offer custom home design. Whether you are planning a renovation, extension or a custom-built home, you control every detail.

For those who love their current home but want an update, our renovation services present a practical solution. From modernising kitchens and bathrooms to refreshing living areas, renovations enhance both functionality and property value without the need to move. If space is the priority, our extensions provide room to grow while maintaining the look and feel of your home. We also create outdoor entertaining areas designed to complement your home and lifestyle.

Our team believes in open communication at every stage, so you know exactly what to expect and feel confident throughout the journey. We proudly serve clients throughout Melbourne, including Mount Eliza, Mornington Peninsula, Frankston South, Mount Martha, Mornington, Rosebud and the surrounding areas.

If you're looking for a builder you can trust, we'd love to hear about your project.

Build With Us
White kitchen with stone island, bar stools and timber flooring

What we do

Local Building Services We Provide

Two-storey white home with timber garage door and landscaped entry

New Homes

Build a space that's uniquely yours, designed to reflect your personality and lifestyle. We build custom homes where every detail and finish is properly considered.

Explore New Homes
White staircase beside timber flooring and a double-height living space

Home Design

Bring your creative flair to the fore with our home design services. From kitchens to bathrooms and more, we work with you to create vibrant and stylish spaces you will love.

Explore Home Design
Elevated view of timber wall frames during a home build

Get Started

Get started with us and discover a building process that's clear, collaborative and centred around your needs. From concept to completion, we keep you informed and involved every step of the way.

Explore Our Building Process
Three-storey contemporary home with timber garage doors at dusk

Gallery

Have a vision in mind? See what we can bring to life in our gallery, capturing the stunning details of our builds. Whether it's your ideas or ours, we're here to make your dream home a reality.

Explore Previous Projects

A closer look

Homes, spaces & details

View the project gallery ↗
Two-storey white home with timber garage door and landscaped entry
Built around the way you live 01
Open-plan living and dining room with sliding glass doors
Care in the details 02

From a client

Good work.
Lasting relationships.

Jenny Carr
★★★★★

I've used Karl for work at two different properties and he's been great. He is reliable and punctual and follows through on everything.

Karl is meticulous and takes real pride in his work. He spends a lot of time considering and explaining rationale to his thoughts. His attention to details is excellent, and the finished result reflects that. He's also thoughtful and offers practical, well-considered ideas that genuinely improve the outcome.

Karl's pricing is fair and reasonable for the quality he delivers. I wouldn't hesitate to use him again and highly recommend him to anyone looking for a dependable, skilled builder.

Client review
★★★★★

Karl is an absolute professional. He manages expectations and offers options if the job isn't straightforward. Amazing work!

Emily Grainger
★★★★★

I truly cannot recommend Carl enough. He recently did work at my dance studio, and from start to finish the experience was exceptional. His professionalism, attention to detail, and work ethic were outstanding, but what really impressed me was the final result. The work didn’t just meet my expectations, it far exceeded them. Everything was completed with care, precision, and pride, and it shows. Carl made the entire process smooth, stress-free, and honestly enjoyable. If you’re considering working with him, don’t hesitate, you’ll be thrilled you did.

Sean Joseph Kellett

Karl has completed two large renovations for us and we couldn't be happier with the results. With our second renovation, we went straight to Karl, having built confidence following the first reno. With both renovations, not only did Karl produce quality results for us, he was always professional and very handy with suggestions when the unexpected popped up. Very easy to recommend Karl.

James Edmiston

KM Custom Homes did 2 jobs for us in 2024, one major reno and some minor extra works. Loved the suggestions to help us get the best outcome and patients when we kept changing our minds. Quality work and clean so we could live around the reno. We trust Karl and will use him on our next project.

Build with a Local Builder You Can Trust

  • New homes, extensions and renovations across the Mornington Peninsula.
  • Honest pricing and a clear timeline before a single tool comes out.
  • Take the first step — book a free on-site consultation with Karl.
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