High-End Builder for Extensions, Renovations & Custom Homes
At GMAC Built, we offer home extensions, home renovations, and custom-built homes with a focus on luxury living across metro Melbourne. We bring expert craftsmanship to projects in Melbourne’s inner-east, south-east, and north-east suburbs like Malvern, Glen Iris, Camberwell, and Bentleigh.
With over 20 years of experience, Greg McCaskill partners with homeowners and architects to execute high-end projects. From luxury renovations to new builds, Greg ensures that what’s on the plans is exactly what’s delivered on-site—a house that is structurally uncompromising and built to last.
Our Services:
Build Better with GMac Built - Melbourne’s Trusted Home Builder
With our hands-on experience and collaborative mindset, we can build to any specifications and style—from period renovations to contemporary new builds. We’ll work with you and your architects to ensure your needs are met and your design brief is executed to the highest standard.
Home Extensions
Love your home, but need more room? A custom home extension is just what you need to improve your lifestyle without the hassle of moving. At GMAC Built, we recognise that your home is a collection of memories and a significant asset. Whether you’re anchored by your community, school zone, or backyard, we focus on the structural integrity and high-end finish required to ensure your new extension integrates perfectly with the existing dwelling.
Our home extension services give you the best of both worlds. Whether you need more rooms for your growing family or more living space, we can create an extension to your house that looks like it was built there from day one.
Endless Possibilities for Your Space
No matter your vision, whether it is a ground-floor addition or a second-storey extension, Greg focuses on building a space that enhances your daily life.
Additional bedrooms for growing families
Entertainment rooms or home theatres
Home offices or creative studios
Gym or wellness spaces
Open-plan kitchens and living areas
Indoor-outdoor entertaining zones
Home Renovations
Transform Your Space with Purpose: Renovating isn’t just about aesthetics—it’s about improving the way your home functions.
Enhancing layout and flow
Improving comfort and liveability
Maximising natural light and usable space
Removing walls and opening up spaces
Whether you want a modern open-plan layout or to preserve the charm of a heritage home, we tailor every renovation to suit your vision and lifestyle.
GMAC Built handles:
Full Home Renovations
Internal Reconfigurations
Kitchen
Renovations
Heritage & Character Home Renovations
Bathroom & Laundry Renovations
Our Renovation Projects
Custom Home Builds
Do you have your architectural plans ready to go? At GMAC Built, we don’t just build a house; we execute a vision. Greg works closely with you and your architect to ensure your new home is built with purpose, providing the best use of space, light, and functionality.
We deliver:
Fully bespoke homes
Execution of complex architectural design
High-end builds tailored to your lifestyle
Melbourne is known for its beautiful period homes. At GMAC Built, we take immense pride in providing heritage home renovations, restorations, and extensions with an approach that is both respectful of the original craftsmanship while introducing modern structural standards.
Our specialisations include:
Heritage Home Restoration
Heritage home restoration with careful consideration of all original features
Period home renovations that are executed compliantly.
Extensions with architectural integrity and functionality
Why Choose GMAC Built?
High-End Craftsmanship
Luxury home construction utilising trusted trades and quality materials.
Minimal Disruption
Efficient building processes and clear communication to keep your project on track.
Hands-On Builder Involvement
Unlike large firms, Greg is on-site and personally involved in your project from start to finish.
Personalised Service
By taking on a limited number of projects, Greg ensures your build receives the focus and attention to detail it deserves.
Melbourne Homes, Masterfully Built.
We specialise in structural extensions and custom homes that demand a higher level of detail. At GMAC Built, we don’t just follow a blueprint—we deliver a home that’s built to last and ready to live in.
