Home Renovations, Remedial & Building Services
Are you planning a home renovation, a house extension or new additions to your property? Do you need expert remedial services to address structural issues? At Kolong Building, our licensed builders specialise in delivering quality solutions tailored to your home, servicing the Inner West, Mosman and the Eastern Suburbs.

New Builds
Explore our portfolio of home additions, renovations and remedial projects across the Inner West, Mosman and the Eastern Suburbs. From kitchen remodels to comprehensive building inspections, see our commitment to quality and excellence.

Home Extensions I Renovations I Additions
Trust our home extension builders to craft additions that integrate seamlessly with your existing space. From kitchen renovation and bathroom renovations to a full second story extension, our expertise spans minor updates to complete transformations that enhance your property's functionality and aesthetics.

Remedial Services
Rely on our experts to address structural concerns with precision and efficiency. We offer comprehensive remedial services, including building inspections and assessments, to identify and resolve issues promptly.
quality and design that surpass expectation
over 30 years of experience
Our team of custom home builders brings over 30 years of experience and a passion for home design from the inside out. Tony and Sarah An have built on a reputation established in the 1980s, making Kolong Building one of the home building companies Sydney families have trusted for decades.
As a licensed builder company, we understand the importance of quality products to suit varied tastes, purposes and budgets. Most of all, we surpass every expectation with our commitment to customer service.





