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Colinwell Masonry

Design & Build Awards (2026)

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About Colinwell Masonry

Best Retaining Wall Manufacturer 2026 - UK&I

Colinwell Masonry, part of the RTU group, with over 145 years of experience in the concrete manufacturing industry. We specialise in architectural and paint grade masonry blocks, acoustic blocks and Allan Block retaining wall systems, combining traditional expertise with modern manufacturing. What sets us apart is our commitment to technical excellence, reliability, and close collaboration with architects, contractors, and clients across Great Britain, Northern Ireland and Republic of Ireland.

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