About the company

Joncol Building Services was established by director, Jonathon Grima, in 2000 when Jon’s passion for high quality renovations and extensions came to life. The business has expanded profoundly through the years; starting as a sole operator and evolving into full team of dedicated staff loaded with knowledge & enthusiasm. Despite such growth, the core values of Joncol remain strong.

Joncol have a genuine desire to uncover the full potential of your property, happily accommodating any time or budget constraints, whilst incorporating the lifestyle ideals held by you and your family.

Joncol have stamped their mark on a wide variety of homes throughout Melbourne, ranging from old terraces in St Kilda to the newer architecture of Point Cook. We understand the challenges of remodelling a space to best suit everyone’s needs. Our love of creating a unique, innovative space, has been internationally recognized and even featured on ‘The Block Skyhigh’, ‘Selling Houses Australia’ and in the ‘Top Homes’ Magazine edition of Housing Industry Association Awards.

Jon understands the importance of value and a timely delivery of your project

Jon understands the importance of value and a timely delivery of your project


Jonathon Grima is the founder and director of Joncol Building Services holding over 20 years of industry experience. After completing his carpentry apprenticeship and fine tuning his skills on site, Jon discovered his penchant for renovations and extensions, so studied hard to become a Registered Building Practitioner.

Jon’s extensive knowledge of building & construction allows him to tailor an attainable solution that realises your dreams and demonstrates those 7 core values of Joncol Building Services. Completing several of his own projects over the years, Jon understands the importance of value and a timely delivery of your project.


The Team

No man is an island. We share a common belief in the importance of teamwork and are continuously strengthening that bond. The team at Joncol have been hand selected by Jon for their high quality workmanship, industry knowledge, commitment to service and affability. Collectively, we are youthful and enthusiastic, with strong passion for the industry.

Our staff are very accomplished in their respective fields yet choose to undertake ongoing training and development within the industry. We take great pride in the personal service we provide to our clients, and ensure our loyal staff have the courtesy to treat your home as if it were their own.