Licensed Builder — Sydney
We build homes that endure
Award-winning custom homes, renovations, and extensions for Sydney's most discerning clients. 20+ years of trusted expertise and 250+ completed projects.
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Award-winning custom homes, renovations, and extensions for Sydney's most discerning clients. 20+ years of trusted expertise and 250+ completed projects.
Cornerstone Builds was founded on a promise to deliver exceptional craftsmanship, honest communication, and buildings that last generations. From luxury custom residences to sensitive heritage renovations, we treat every project as if it were our own home.
Our team of licensed tradespeople and dedicated project managers ensures every detail is perfect. We handle everything from council approvals to final handover, so you can focus on envisioning your dream home.
With over 250 completed projects and a reputation built on quality, transparency, and reliability, we're the builders Sydney's most successful families trust.
From initial concept to final handover, we deliver tailored building solutions that exceed expectations and stand the test of time.
Luxury and project homes architected and built to your exact vision. Premium finishes, innovative design, and uncompromising quality.
→Bathroom, kitchen, and whole-home renovations that breathe new life into your space. Heritage-sensitive restoration expertise.
→Ground-floor and second-storey extensions that seamlessly integrate with your existing home. More space, more value.
→Love your location but not your house? We demolish and rebuild on your block. Brand-new home, same address, better returns.
→End-to-end PM for owner-builders. We coordinate trades, manage timelines, control costs, and keep quality paramount.
→Collaborative design services to bring your vision to life. Work with architects, engineers, and our expert builders.
→A selection of our most celebrated residential projects across Sydney's premium locations.
Metrics that demonstrate our commitment to quality, excellence, and delivering what we promise.
A proven four-stage process that keeps your project on track, on budget, and stress-free from start to finish.
We listen and understand your vision, needs, and budget. Comprehensive site inspection, feasibility assessment, and honest advice on what's possible and practical.
Collaborate with architects and engineers to finalise designs, then we manage DA and CDC submissions. We handle all the paperwork and regulatory requirements.
Our licensed team brings the plan to life with precision and care. A dedicated site manager provides weekly updates, progress photos, and keeps everything on track.
Comprehensive defect inspection, full warranty documentation, and a detailed walkthrough of every system before you receive the keys to your new home.
They transformed our 1960s fibro cottage into a stunning four-bedroom contemporary home. The build took exactly 11 months as promised. Could not be happier with the result and the team's professionalism.
Professional from start to finish. The site manager was on-site every single day and communication was exceptional. Our extension looks like it was always part of the home. Highly recommend.
We interviewed five builders before choosing Cornerstone. Their meticulous attention to detail, transparency on costs, and superior quality of finishes set them apart from everyone else.
We work across Sydney's most desirable suburbs from the Eastern Suburbs to the Northern Beaches and everywhere in between.
Tell us about your project and receive a detailed, no-obligation quote within 48 hours.
Get a Free Quote →Every great project begins with a conversation. Tell us about your vision and we will respond with honest advice and a clear path forward.