You will never be left wondering. We keep you informed with what is happening, when and why from start to finish and we’re always more than happy to answer your questions.

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Superior Building Knowledge

With previous experience in all facets of residential construction. You have the peace of mind that you’re dealing with an industry expert.

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Extension Specialist

Quadrio Building Services is a well-established home renovation and extension specialist based in Castle Hill with clients throughout Greater Sydney

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Home Renovation Builders Based in Castle Hill Providing Quality Extensions and Renovations Throughout the Region

At Quadrio Building Services, we are in the business of providing quality, residential renovation services. We have built a solid reputation over the fifteen years we have been in business serving the North West Sydney area from Castlereagh to Castle Hill. We are a part of the community and it shows in the care we provide to our customers.

We Work with You to Realise Your Renovation Dreams

We work with you to help you realise the dream you have for your home. From helping you visualise your renovation to drawing complete specifications and sketches, we want your renovation to be just what you have always wanted and more.

You will never be left wondering. We will always keep you up to date on the renovation process and what to expect during it. We keep you informed on what’s happening, the whens and whys, from start to finish. And we’re always more than happy to answer any of your questions.

We are proud of the work we perform whether it is a small job or a complete renovation. We want to share the job with you – the process and the workmanship involved so you can appreciate the improvements being made to your home.

About Us

Quadrio Building Services is a well-established home renovation and extension specialist based in Castle Hill with clients throughout Greater Sydney. A proud member of Master Builders Association, we have a unique approach to working closely with our clients. Home renovation and extension can be one of the biggest financial decisions you’ll make. With our dedicated team of experienced and skilled tradesmen not only we help make the most out of your budget, but also make your dream home come true.
Quadrio Building Services guarantees a high standard of workmanship whether it’s a minor repair job or a complete renovation of your home. We have an admirable record of delivering quality services for home refurbishment and extension, on time in the most cost-effective way.
What makes us stand out from the rest is our passion to build the perfect home for you. We treat every project with utmost care and diligence from start to finish, coordinating and communicating with you in every step of the way.

We Know Our Business Backwards and Forwards

At Quadrio Building Services we have been doing home renovations for more than fifteen years, so we know the business backwards and forwards.

We offer a complete service that takes care of all the development applications, certificates, inspections and compliance with Australian building standards.

Maintaining these standards is not only part of every renovation job we do, it also increases the value of your home. You can consider the money you spend on a renovation to be a wise investment.

We are also a Master Builders Association member in good standing. This means that we undergo continuous skills training and education. And that we keep up on new building trends, techniques and materials that facilitate the renovation industry.

We are so confident of our experience and skills that we offer a full seven-year structural warranty.

We Understand What Every Renovation Takes to Complete

We deliver your renovation to you on time and on budget. We pride ourselves on having the knowledge and experience to know what each job will take to complete. So there are never any surprises for you.

We hire only the best craftsmen and proven contractors who can get the job done to your satisfaction. We also treat you and your property with respect during the renovation process. We are there when we are expected to be there.

Call Us Today to Talk About Your Renovation

We would love to talk about any renovation dreams that you have about your home. We guarantee that we can turn your renovation dreams into a perfect reality that you will be proud to call home.


Interested in our work? Contact us right away!