
Architect-Grade Construction & Roofing
From master-grade slate roofing in Rochdale to structural house extensions across Greater Manchester, Jon and Coby Glennon deliver 25 years of uncompromising structural integrity.
Master-Grade Services
A comprehensive range of structural construction and roofing services, executed with on-site accountability across Greater Manchester.
Roofing Contractors Rochdale
Roof Repairs Rochdale
New Roofs Rochdale
Full slate roof replacements finished with meticulous leadwork and perfect ridge alignment.
Premium slate and tile roofing installations built to withstand the harshest North West weather.
Rapid structural repairs for leaks, storm damage, and decaying timber across Rochdale.
House Extensions Rochdale
Home Renovations Rochdale
New Builds Rochdale
Architect-designed extensions that perfectly integrate with your property, maximizing premium living space.
Complete structural refurbishments, converting traditional homes into high-contrast architectural masterpieces.
Turnkey residential developments combining master brickwork with modern, energy-efficient structural engineering.
Bricklayers Rochdale
Structural Alterations
Groundworks Rochdale
Flawless structural load-bearing walls, decorative arches, and premium stone masonry.
Expert steelwork installations and wall removals to safely create open-plan architectural layouts.
Precision excavation, drainage, and foundation laying—the vital starting point for any major build.
Patios & Landscaping
General Builders Rochdale
Construction Company North West
Bespoke stone patios, paving, and retaining walls engineered with robust drainage systems.
Comprehensive structural maintenance, repairs, and bespoke contracting with on-site family accountability.
High-end commercial developments and structural contracting for premium North West developers.


Built to Outlast the Mortgage
Jon and Coby Glennon bring 25 years of multi-generational building heritage to every site. We manage everything from initial groundworks in Rochdale to the final ridge tiles in Saddleworth, ensuring absolute structural integrity.
We work to strict architectural tolerances, providing fully itemised quotes, transparent timelines, and direct on-site accountability. No shortcuts, no lowball estimates—just master-grade execution.
Secure Your Free Quote
Speak directly with Jon or Coby about your upcoming residential or commercial project.
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