You're not alone—and you're not wrong to feel overwhelmed. Many homeowners dive into projects without clear cost expectations, only to hit roadblocks halfway through.
At Hemmens Building, we help you get it right from the start with a transparent, builder-led approach that gives you clarity, confidence, and control.
70–80% of home designs never make it to construction when a builder isn't involved early in the design phase.
Early builder involvement = less wasted money, faster progress, and designs that actually get built.
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“We couldn’t be happier with the outcome. Dylan and his team communicated clearly and solved problems early—saved us time and money.”
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“Hemmens Building took our concept and delivered a realistic plan. The build was smooth, and we ended up under budget!”
These packages are designed to de-risk your project early, so you only spend money on plans that are buildable and budget-aligned.
I’m Dylan Hemmens, founder of Hemmens Building. I’ve been in the construction industry for over 15 years—from high-end custom homes to multi-residential builds. Today, we focus on helping families across the Central Coast renovate and extend with confidence, providing realistic advice and builder-led support from the very first step.
Early builder involvement ensures your design is practical, buildable, and within budget. It helps prevent costly redraws or delays down the track and gives you a clearer understanding of timeline and costs from day one.
No! In fact, it’s often better to speak with us before you invest in detailed plans. We can help guide the design toward something that aligns with your goals and budget—saving time, money, and stress.
We’re based on the Central Coast and regularly work across surrounding areas, including Northern Sydney and Southern Lake Macquarie. If you’re nearby and considering a quality renovation or extension, get in touch.
Absolutely. We love collaborating with designers and architects to bring your plans to life—and we’ll make sure it’s buildable and budget-aligned before things progress too far.
If you’re considering an extension, major renovation, or custom new home and want a smooth, professional experience, we’d love to hear from you. Book a quick call and we’ll help you figure out the best next step.
