Rochdale-Rooted Master Builders
Read honest feedback from homeowners across Greater Manchester. From structural renovations in Saddleworth to slate roofing in Milnrow, our father-and-son team delivers on-site accountability.
100%
On-Site Accountability
25+
Years Master Craftsmanship
5/5
Average Client Rating
Why Local Homeowners Choose Us
Structural Integrity
Father & Son On-Site
Guaranteed Workmanship
Every extension and roof repair in Rochdale is built to outlast the mortgage. We never cut corners on steel or slate.
Jon and Coby personally manage every project. You get direct communication and absolute accountability from start to finish.
Our 25-year heritage is backed by fully insured, certified tradesmen serving Milnrow, Littleborough, and the wider North West region.


Verified Feedback from Local Projects
Jon and Coby completed our double-height house extension in Saddleworth on time and exactly to the quoted budget. The brickwork matches the original stone perfectly.
David & Sarah, Saddleworth
Flawless slate roof replacement in Littleborough. The team was clean, fast, and kept us updated daily. Highly recommend these Rochdale builders.
James K., Littleborough
Excellent structural alterations and groundworks in Milnrow. Their 25-year master craftsmanship and attention to detail shows in the final finish.
Helen T., Milnrow
Ready to Discuss Your Project?
Contact Jon today for a realistic, itemised quote on your house extension, roof repair, or renovation in Greater Manchester.
J. Glennon Construction Ltd
Rochdale-rooted master builders. Father-and-son built to outlast the mortgage.
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Rochdale HQ
Jon: 07712 345678
info@jglennonconstruction.co.uk
Serving Rochdale, Greater Manchester & North West
© 2026 J. Glennon Construction Ltd-Father-and-son built with on-site accountability.
25-year master craftsmanship