The Gatehouse, Mayes Ln, Sandon, Chelmsford, CM2 7RW
JJ Sullivan & Son Building Contractors Ltd are trusted builders providing high-quality house extensions in Chelmsford, Essex and nearby areas. Our team supports homeowners with projects from initial groundwork through to the final finish, ensuring every stage is completed with care and attention.
We specialise in extensions, conservatories, loft conversions, roofing, driveways and general building work. From single extensions that add valuable living space to larger property improvements, we focus on delivering reliable workmanship and long-lasting results for customers in Chelmsford, Wickford, Basildon and Rayleigh.
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