Jerry O'Sullivan & Sons Construction Ltd

JOS Construction is a family‑run building firm that has been delivering quality craftsmanship across County Cork and much of Ireland since 2005. Owned and operated by Jerry O’Sullivan, the company combines traditional skills with modern techniques to create homes and extensions that stand the test of time.

The business offers a comprehensive suite of services, ranging from house extensions and attic conversions to the construction of timber‑frame and A‑rated eco‑homes. JOS Construction also specialises in garage conversions, sunroom and conservatory extensions, and the restoration of historic properties, always with a strong focus on energy efficiency and sustainable building practices. Their work is recognised by membership of The Construction Industry Register Ireland and the Construction Industry Federation, underscoring a commitment to high standards and client satisfaction.

Based in the picturesque village of Mourneabbey, Mallow, County Cork, JOS Construction serves both private homeowners and commercial clients who seek reliable, detail‑oriented construction solutions. Their collaborative approach ensures transparent communication throughout every project, turning each client’s vision into a lasting, well‑crafted reality.