Your Custom Home Builder in Mount Martha

We craft custom homes in Mount Martha that respond to the landscape, light and laidback lifestyle. 

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Building Homes for Life

At KM Custom Homes, we understand that a home is more than just a building—it’s a place where memories are made. Our team is dedicated to creating homes that balance style, comfort and practicality, perfectly suited to life in Mount Martha.


Whether you're starting with your own ideas or looking for design guidance, we’re here to create a home that reflects who you are and meets your everyday needs. With a personalised approach to each project, we make sure your home-building experience is smooth, enjoyable and tailored to your vision. We also undertake renovations and extensions; and create new outdoor entertaining areas to maximise the value of existing homes.


If you’re ready to discuss your custom home project, call us on 0419 320 193 to start planning your ideal home.

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What We Do

In the heart of Mount Martha, we create homes designed precisely to meet our clients' needs. Each new home we design and build can incorporate the latest in design styles and innovation.

We create custom home designs for Mount Martha homeowners, tailoring layouts and features to suit your lifestyle, property and budget while delivering a home that feels both functional and visually connected.

Our renovations and extensions revitalise Mount Martha homes with updated living spaces, seamless additions and practical designs that enhance functionality, comfort and style while complementing your home’s existing character.

We turn backyards in Mount Martha into stunning outdoor entertaining havens. Our designs are customised to provide the perfect blend of comfort, beauty and practicality for your alfresco lifestyle.

Our process is refined and transparent, ensuring Mount Martha homeowners are engaged and informed at every step, from initial concept to the joyous day you step into your completed home. Get started with us.

Browse our gallery to see how we combine innovation and attention to detail in every build. We'll bring your Mount Martha vision to life with creativity and precision.

Custom Home Benefits

Building a custom home allows you to make the most of Mount Martha’s beautiful environment and unique community feel. Custom homes offer flexibility in design, letting you choose everything from layout and materials to sustainable features that enhance comfort and efficiency. With options to personalise every aspect, you can create a home that truly reflects your style and preferences. Each detail is crafted with care, so your home not only meets high standards of quality but also integrates naturally with its surroundings. Choosing to build custom means investing in a home that’s truly designed for the way you want to live, adding long-term value and comfort.

Create Your Home

Enquire Today in Mount Martha

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Contact Details

Mon-Fri: 7:00am to 7:00pm
Sat-Sun: Closed

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Frequently Asked Questions

  • What local areas do you service?

    We proudly serve potential homeowners, industry professionals, architects and developers across Mount Martha, Mount Eliza, Mornington Peninsula, Mornington, Frankston South, Red Hill and beyond.

  • What types of outdoor living spaces can I consider?

    Outdoor living spaces come in various forms, from alfresco dining areas and covered patios to decks and landscaped gardens. Each option can be customised to suit your lifestyle, whether you prefer a cosy space for family gatherings or a larger area for entertaining guests. With careful planning, your outdoor area can become a natural extension of your home, providing functionality and aesthetic appeal.

  • Do I need planning permission for a home extension?

    In most cases, a home extension will require planning permission, though regulations vary depending on the location and scope of the project. Consulting with local authorities or your builder early in the planning stage ensures you meet all legal requirements. Proper permits help avoid delays and ensure your extension meets building codes and safety standards.

  • What should I prioritise in a home renovation?

    When planning a renovation, prioritise the areas that will most enhance your home’s comfort, functionality and value. Common focus areas include kitchens, bathrooms and living spaces, as these are often the most used and can significantly impact your daily life. Consider your lifestyle needs and long-term goals for the property to make the most out of your renovation investment.

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