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Joncol Building Services

Joncol Building Services

Home Builders
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About Us

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.


Featured on Chanel 7 Australia's Best Homes, Foxtel Selling Houses Australia, The block, Herald Sun, Leader Paper, Ok Magazine, House to Home Magazine Australia, Various Radio stations and local papers around Williamstown, Jon is also a registered Green Smart Builder and qualified in interior design

Professional Information

Jonathon Grima is the founder and director of Joncol Building Services with industry experience spanning 20 years. After completing his carpentry apprenticeship and fine tuning his skills on site, Jon discovered his passion 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.


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21 Projects

Example of a classic home design design in Melbourne

Extension Renovation -Yarraville

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Business Details

Business Name

Joncol Building Services

Phone Number

+61 93956966


Victoria, Victoria 3013

Typical Job Cost

AUD 130,000 - AUD 480,000


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