Rossmark
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Rossmark
When a building has an extension or addition it means it is generally extended out, at ground floor. Rossmark Pty Ltd is an award winning home building company specialising in architectural design and construction. We offer a full range of home solutions including home extensions, home renovations and first floor additions in the Sutherland Shire and greater Sydney.

Based in the Sutherland Shire and established in 1975 we have gained a reputation for quality home design, construction and customer care ensuring that our clients are satisfied. We encourage our prospective clients to chat to our current and previous clients to enable an informed decision when it comes to selecting the company that designs and builds your home extension, home renovation or new home.

Rossmark has a unique advantage as we are both the designer and builder, we can ensure that your project is affordable and meets your brief in both finish and budget. Rossmark Pty Ltd offers a holistic service to the home owner, we are there to offer advice and guide you through each stage ensuring that your home addition or new home is delivered to your expectations.
Services
Based in the Sutherland Shire and established in 1975 we have gained a reputation for quality home design, construction and customer care ensuring that our clients are satisfied. At Rossmark we have a commitment to ensuring our work doesn't leave a negative impact on our environment. As such we have come up with an environmental policy we adhere to for every project we undertake.
We can help you assess your current home and advise options available to you. We are specialist in providing solutions that meet your brief and circumstances relating to your family needs. Our home consultation service extensively answers these questions and more. Rossmark can assist you to define the family dynamics that will shape the way you intend to live and play now and in the future.
Rossmark will design to your needs and circumstance while ensuring authority frame work and constraints are taken into consideration. Bringing your thoughts to reality. Your comments and feedback is greatly valued, and used to tailor your customised home solution.
No, Rossmark has its design team in-house. This enables a clean transition from design through to construction ensuring that the project can be built and the budget met. Every life is shaped by an environment and so the shaping of space is also the shaping of life. We design; produce all required drawings and documentation; submit them to council and other authorities, and liaise with them till we have an approval.
Reviews (9)
Mark Young
Mark Young
Dec 28, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Highly professional, and exceptionally high standard of workmanship can be seen in the completed job. Absolutely no hesitation recommending Rossmark to anyone wanting to build, renovate or extend.
Services: Project management, Design, Flooring, Remodeling, Waterproofing, Consultation, Paint indoors
Darren Smith
Darren Smith
Sep 20, 2021
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We had a very good experience with our renovation from the planning process with Peter through to the build managed by Glen. Nothing was a problem and all trades were easy to deal with. The quality of work and finishes were outstanding and we couldn’t of asked for anything more. The end product is fantastic and has provided so much more room for our family.
Jonnie Lau
Jonnie Lau
Apr 21, 2021
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We recently engaged Rossmark to carry out some renovations to our home. We had spent months working a design that would fit our budget and meet our requirements. Rossmark were happy to work with us until we were 100% happy on the design.
All the trades that were used by Rossmark were professional, considerate of your space, took pride in their work and above all, worked to a high standard.
The whole team should be extremely proud of each other they all provide exceptional service. I would not hesitate in recommending Rossmark to anyone looking to renovate, redesign or build.
We're already thinking
Paul Lunniss
Paul Lunniss
Apr 11, 2021
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Rossmark has just complete a first-floor addition to our property. Having managed contracts client side for the last 20 years I can appreciate how lucky we are to have secured Rossmark for our build. The entire process went better than expected with the standard of finish second to none. Naturally we have no hesitation in recommending Rossmark to friends and family for future first floor additions.
David Kirkwood
David Kirkwood
Dec 10, 2020
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We would highly recommend Rossmark for their building services. We were very happy with the end to end design and build process and the quality result.
From Matt’s bright and airy design and direction, Peter’s overall project management and internal design discussions and Glen’s weekly build status updates and quality and considered answers to all of our challenging questions!
The trades Rossmark employed produced work of the highest quality, worked well together, were considerate and professional and we never even heard a swear word!
Rossmark has given our girls their own bedrooms, a
Lisa Rose
Lisa Rose
Nov 16, 2020
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Rossmark made our first foray into renovating a seamless, straightforward and enjoyable process. We truly could not be happier with the end-result!
Our project scope was large, involving significant structural changes to a heritage home and considerable negotiations with council to seek approval for final plans. Rossmark managed each step of the process impeccably; from concept design, construction and final hand-over.
Matt, Peter, Glen and Ben were wonderful to work with and kept us informed and consulted on a weekly basis throughout the build, alleviating concerns for us as first-time renovators
Ou Sara Jiaxian
Ou Sara Jiaxian
Oct 21, 2020
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Our first floor addition was completed by Rossmark 2 months ago. From start of the process with Peter, to working throughout the build with Glen & tradies was a fantastic experience. Everything ran so smoothly. Every week Glen communicated with us and informed us the process. Glen not only talked to us, but also talked to our neighbours on behalf of us. It was really hassle-free. We recommend Rossmark to everyone.
Debbie R.
Debbie R.
May 26, 2020
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A professional and knowledgeable team, they helped turn our renovation ideas into 3D drawings, then into reality to create our new home. Their deep knowledge of the local council ensured DA plans were processed in a timely manner.
I really like that Rossmark have good designs and really liked many of their previous projects and how my renovation turned out. Finish is great with good attention to detail, and as an asthmatic living in the house throughout the build, I really appreciated how clean and tidy they kept my home during the 6 months period, minimising dust as much as possible. Where an
Robin Walton
Robin Walton
Dec 17, 2019
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Matt Earl and his team gave us our dream home. They worked hard to convert our humble 1950s cottage to an American colonial revival style house. Matt’s patience, attention to detail, creative problem-solving combined with his top quality and very experienced team turned our vision into reality at a reasonable, value for money cost.
I first found out about Rossmark by talking to neighbours in the street that had done work by them. I was surprised by how enthusiastically they spoke of Rossmark and how much they loved their new house. Their renovation involved extended and tricky negotiations with