About Us
SBS Building Services is a fully licensed and insured builder based in Castle Hill. We specialise in creating beautiful, functional homes that reflect your unique needs and style. As a family business, we understand the importance of trust, clear communication, and personal service. That’s why we guide you through every step of your project, from the first sketch to the final inspection.
Why Choose Us
What we do
We specialise in home extensions, custom home renovations and indoor/outdoor living areas that elevate comfort, functionality, and design. Offering a complete service from the concept to the completion of the project, including all council requirements, we want to help you create your ideal home and lifestyle, all within your budget.
Our Values
Our goal is to bring our clients’ dream lifestyles and homes to life by combining high quality workmanship with exceptional customer service. We proudly serve the Hills District, Lower North Shore, Upper North Shore, and North West Sydney, delivering tailored solutions that reflect each client’s unique vision, needs, and lifestyle.
Customer Service
Entrusting someone to transform your home is a big decision, and we’re here to ensure it feels effortless and thoroughly supported from day one. Your project matters to us, which is why we take the time to meet, listen, consult, and truly understand your vision, ensuring our service goes above and beyond your expectations.
tomorrow… today
What our clients say…
“Extremely Professional”
We’re very happy with our decision to go with SBS for a full renovation of our home. The entire team were extremely professional, reliable and punctual, and the job finished early and on budget. Thanks Scott, Kristie, Stu & the team.
K A
Google Review
“Our Home was Transformed”
We were lucky enough to get sbs do what turned in to a complete Reno in Thornleigh last year. Can’t recommend them highly enough. Scott and Stuart were quick to give a detailed quote, then proceed with fantastic young tradesmen who had great eye for detail and perfectionist attitude to doing things the correct way…
Sue
Google Review
“Would Highly Recommend”
SBS did an awesome job with our home renovations. Every trade that has been through our home comments on the superior workmanship and quality finishes. Would highly recommend this company to anyone considering a rebuild/renovation.
Donna
Google Review
“Absolute Pleasure”
SBS Building Services completed a large, multifaceted extension and renovation project for us approximately five years ago. We would wholeheartedly, unequivocally and sincerely recommend SBS for a myriad of reasons…
Simon
Google Review
Our Leadership Team
Scott Harwood
Director and Builder
With over 35 years in the building industry and as a fully qualified builder, Scott has extensive knowledge, expertise and a comprehensive understanding of the building industry, especially renovations and extensions. He leads SBS Building with a clear focus on the importance of high-quality workmanship, integrity and client-focused results. As the face of SBS, he oversees every stage of the process, from design and quoting to construction, ensuring a seamless building experience and excellent service for every client.
Megan Harwood
Director and Marketing
From office management and HR to marketing and building design, Megan brings both strategy and creativity to the team. Megan ensures that SBS not only runs efficiently behind the scenes but also continues to grow and evolve as a trusted name in the industry.
Kristie Gibbons
Office Manager
With an Associate Diploma of Business and extensive office experience, Kristie brings both professionalism and a personal touch to the SBS team. For the past 14 years as a valued member of the team, she has been dedicated to delivering exceptional customer service and ensuring a smooth, stress-free building journey for every client. Kristie’s in-depth knowledge and approachable manner make her an invaluable guide through every step of the decision-making process.
Stuart Smith
Supervisor
With over 20 years of experience in the building industry, Stuart is a fully qualified builder who brings extensive knowledge and expertise to our team. For the past 15 years, he has been a valued member of the SBS team. Stuart oversees multiple projects simultaneously, ensuring each one meets the highest standards of quality and craftsmanship. His strong leadership, trade coordination, excellent customer service and attention to detail make him an integral part of every successful build.
Joanne Cummings
Building Designer
Since joining the company in February 2026, Joanne has brought with her more than 25 years of experience across the architectural, design, and construction industries in the UK. With a background in architecture and residential design, she combines creative thinking with strong technical and practical knowledge gained through working with architectural practices, developers, and private clients. A graduate of Oxford Brookes University with a Bachelor degree in Construction Management and a Diploma in Building Studies, Joanne also specialises in residential extensions, renovations, and bespoke homes. Her approachable nature, reliability, and broad industry experience make her a valued member of our team.
Looking to Renovate?
Enhance the home you love with an extension or renovation that adds space, function, and renewed style. Get in touch today and let’s bring your renovation plans to life.
