Builders Mosman

Pursue the quality • Trust the best

Step into Kongstruction, the foremost builders in Mosman, committed to turning your vision into reality with each home we construct. Whether you’re envisioning your residence amidst the scenic beauty of Mosman’s beaches and waterfronts, we take pride in standing as the premier custom home builder in the region. Our dedication to excellence is evident in every project, ensuring that your home mirrors meticulous craftsmanship and thoughtful design.

Understanding that your home reflects your lifestyle and dreams, Kongstruction goes beyond building structures. As your preferred builders in Mosman, we specialise in crafting unique homes tailored to your exact preferences. Whether you’re thinking of a new build, knockdown and rebuild, renovating, or expanding your home, we bring expertise and skill to every project, ensuring your vision comes to life with precision and craftsmanship.

We begin by offering a free consultation and quote, ensuring openness and affordability from the beginning. This helps you understand our services better while allowing us to understand your needs. With our skills in home renovation and extension, we combine innovation and functionality to create a space that truly reflects your personal style. If you’re looking for readymade house – check our home and land packages.

Choosing Kongstruction as your custom luxury home builder in Mosman brings the advantages of our expertise in heritage and conservation. Our work is on display at Harvey Norman and homes in Chatswood, Pymble, and McMahons Point, showing our commitment to quality and affordability in making your vision a reality. Start the journey to build your dream home by scheduling a free consultation today. Let’s embark on this construction journey together.

Our Recent Projects in Mosman and Across Sydney

In Kongstruction work we have pride, quality is what we provide.


Home Extensions East Killara


House Extention in Roseville

House Extention in Roseville


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Chatswood Luxury Modern Design New Build House



Maroubra Modern Design Bathroom with V-Groove


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Ramsgate Ave North Bondi


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Harvey Norman Flagship Store Bathroom Display


Home Renovation in Mosman

Transform your living space with Kongstruction, the go-to authority in home renovation in Mosman. As lifestyles evolve, so should your home. Our devoted team specialises in extensive home renovations, ensuring that your space not only meets but surpasses your expectations. Embrace the change that complements your lifestyle and entrust your home transformation to our dedicated experts.

At Kongstruction, our way of handling home renovations combines creativity with practicality. We focus on your specific preferences and needs, avoiding rushed projects. Starting with free consultations and quotes, your experience with home renovation in Mosman doesn’t have to be stressful. We’re proud to provide high-quality transformations that rejuvenate and enhance your current space.

Enjoy our free interior design service to make sure every detail suits your style. Kongstruction is known for being affordable, transparent, and producing excellent craftsmanship. Pick us for your home renovation in Mosman and start a smooth journey towards a refreshed and personalised living space. Reach out today to schedule a consultation, and let’s work together to turn your renovation dreams into reality.

Home Extension in Mosman

Discover fresh opportunities with Kongstruction, your top pick for home extensions in Mosman. With our seasoned builders, we understand how homeowners’ needs change over time, and our committed team excels at creating elegant and practical home additions to elevate your living space.

Discover Kongstruction’s skill in creating carefully designed home extensions. Our extensions not only improve your home’s appearance but also provide valuable extra space. Our experienced professionals are committed to offering continuous support throughout the entire process, ensuring a smooth and stress-free experience from start to finish. As dedicated experts in Mosman home extensions, we prioritise your satisfaction and consistently aim for excellence in design, construction, and customer service.

Take advantage of our expertise of heritage and conservation, combined with our dedication to affordability, as we skilfully integrate new spaces seamlessly into the existing structure. With Kongstruction, your home extension will effortlessly blend in, appearing more like a natural expansion than an addition. If you’re ready to start the process of redesigning, reach out to us.

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About Kongstruction

The leading new home builder in Mosman

Kongstruction has consistently delivered top-quality new homes and renovations to home owners across the nation. Our livable floor plans, energy efficient features and robust new home warranty demonstrate our commitment to excellence in construction.

Contact UsSpecial Offers
Our Services

Kongstruction, your reliable partner, starts and finishes projects as agreed, ensuring timely completion and making us Mosman’s construction choice.

New Build

We can help you to build a new, modern and dream home with our innovative designs and construction experiences

Turn Old Into New

We provide high quality renovation and rebuild services and help you to increase your home’s value


Kongstruction group has a experienced developer team who can complete developments perfectly and take the next step

Our Awesome House Plans in Mosman

Areas We Serve Throughout Sydney

Kongstruction is dedicated to providing top-notch construction across Sydney. Discover the excellence in our offerings by reaching out to us on 0288809656 today!
Here are just some of the areas we service

KenFull house renovation – Chatswood

Second time deal with KONGSTRUCTION team and his team, he helps me top up value to the property. And always come up with positives. I have pass the contact to the bank valuer as well. I wish KONGSTRUCTION is my own team, Ha ha !

TomFull unit renovation – Lane cove

From the quote to the execution of the job I was very happy with KONGSTRUCTION team and his team. Has very smart and professional idea about adding value to the property, what to do and what not to do. My house is now sold for a very good price compare with the market, thank you very much.

YuHome maintenance – Haymarket

I am totally satisfied with the service and the outcome!! Fair price, quick response, great efficiency and professional.

KimBathroom renovation – Lidcombe

Thank you so much for completing our bathroom. The guys did a fantastic job and we are so happy with it. We will definitely be coming back to you to do our en suite as well. Prompt quoting and easy to deal with, I would recommend KONGSTRUCTION to everyone.

MingBathroom renovation – Balmain

Great design, Great Job, Great Guys! Work was finished on time and communication with them around the job was fantastic. I would recommend talking with them about your job before choosing a builder

Amy & FrankFull house painting – St Ives

KONGSTRUCTION have recently painted my house and they did a fantastic job. They showed a high level of professionalism and delivered more than they had promised. They are extremely lively and deliver their services with a smile. They go above and beyond for their customers and I would highly recommend their services. I would most certainly hire them again.