Custom homes, renovations and extensions. 25+ years experience delivering quality builds on time and on budget. Fully licensed & insured.
Our Services
From custom new builds to renovations, extensions and commercial projects — we handle everything from concept to completion.
We build brand new homes that exceed client expectations. Our team helps you design and construct your home from start to finish — tailored to your vision and lifestyle.
Completely transform your existing home. Ground floor extensions, upper floor additions, second storey builds, full house remodelling — we do it all.
Extensive experience in residential and commercial mixed-use developments. We deliver projects on time, on budget, with exceptional craftsmanship throughout.
Start fresh on your existing block. Our team manages the complete knockdown and rebuild process from planning permits to final handover.
Extend your home with beautiful outdoor spaces. Decks, pergolas and outdoor living areas designed for the Mornington Peninsula lifestyle.
Complete project management from concept to completion. We coordinate every tradesperson, permit and inspection — you just watch your vision come to life.
Why Choose Us
Prime Building Projects has been delivering quality homes across Portsea and the Peninsula for over 25 years.
Deep knowledge of coastal building requirements, council regulations, and local suppliers across the Mornington Peninsula.
A proven track record of delivering projects on time and on budget. Tradespeople on site every single day until completion.
Superior craftsmanship with every build meeting the highest standards. We back our work with a comprehensive quality guarantee.
You're kept up to date at all times. No surprises — just clear, honest communication from start to finish.
What Our Clients Say
"The team built our forever home in Portsea and the quality speaks for itself. Five years on it's still flawless. Highly recommend to anyone on the Peninsula."
"Honest, reliable and genuinely skilled. Our Sorrento renovation was finished ahead of schedule and the workmanship is something we show off to everyone who visits."
"Prime Projects delivered exactly what they promised on our Blairgowrie build. No shortcuts, no surprises — just a beautifully finished home and a great experience."
Get your free, no-obligation quote from the Mornington Peninsula's most trusted builder.
📞 0419 500 004Call Toby directly — Mon to Sat, 7am–6pm
No obligation • Fast response