Colinwell Masonry

Colinwell Masonry Manufacturers of Allan Block Retaining Wall System, Architectural & Acoustic Masonry and Martello Stone Walling

Over 100 years ago, John McQuillan began quarrying limestone at Colinwell, so named because of the large natural spring well which rises at the site on the slopes of Colin Mountain near Belfast. Since then our Company, which is now owned and managed by Phelim and Donal McQuillan, has progressed from being a quarrying and aggregate processing company to a walling product manufacturer. Today, Colinw

ell Architectural Masonry, Martello Stone Walling, Allan Block Retaining Wall Systems and Acoustic Masonry Blocks can be seen in use throughout Ireland and Great Britain. Opening Hours: -

Monday 8am – 6pm
Tuesday 8am – 6pm
Wednesday 8am – 6pm
Thursday 8am – 6pm
Friday 8am – 6pm

When durability, low maintenance and long-term performance are priorities, architectural masonry remains one of the most...
03/06/2026

When durability, low maintenance and long-term performance are priorities, architectural masonry remains one of the most specified walling solutions across a variety of sectors.

Our latest article looks at the different types of architectural masonry available, where they are most commonly used, and why they continue to be specified throughout the UK and Ireland.

Read more:

Learn about architectural masonry blocks, including finishes, applications and specification guidance for commercial projects in the UK and Ireland.

Proud to be part of RTU Group’s FY25 ESG Report, reflecting the progress being made across both RTU and Colinwell.At Col...
25/05/2026

Proud to be part of RTU Group’s FY25 ESG Report, reflecting the progress being made across both RTU and Colinwell.

At Colinwell, we continue to focus on reducing environmental impact, improving efficiency in our manufacturing processes, and maintaining high standards in safety and quality. This progress is driven by our people, and shaped by our responsibility to the communities we operate in and serve.

📄 Read the full ESG Report here: https://colinwell.com/sustainability

We are proud to share that Colinwell has been named Best Retaining Wall Manufacturer 2026 for the UK & Ireland at the Bu...
22/05/2026

We are proud to share that Colinwell has been named Best Retaining Wall Manufacturer 2026 for the UK & Ireland at the Build Magazine Design & Build Awards.

To be recognised for the 3rd year by Build Magazine is a significant milestone. It reinforces our position as a market leader in retaining wall solutions throughout the UK & Ireland.

Read the full article here: https://colinwell.com/news/colinwell-wins-best-retaining-wall-manufacturer-distributor-2026

Our latest insight explores the benefits of a dry laid retaining wall. A durable, flexible and natural-looking solution ...
18/05/2026

Our latest insight explores the benefits of a dry laid retaining wall. A durable, flexible and natural-looking solution for managing slopes and enhancing outdoor spaces.

Key advantages include:
- Excellent drainage and reduced water pressure
- Flexible construction that adapts to ground movement
- Timeless aesthetic with 5 colours to choose from

Read more here: https://colinwell.com/resources/insights/what-is-a-dry-laid-retaining-wall-benefits-installation

Learn what a dry-laid retaining wall is, how it works, and why it’s used across UK projects. Discover benefits, installation methods, and key differences…

06/05/2026

🏆 April Fantasy Football Champion 🏆

A huge congratulations to our April winner… Mark McAllister! 🎉

Mark, step forward and claim your glory! Get in touch with your team name to collect your prize. 🏅

Think you’ve got what it takes? The competition is wide open…

May Day ClosureColinwell will be closed on Monday 4th May.  Have a lovely break!
28/04/2026

May Day Closure

Colinwell will be closed on Monday 4th May.

Have a lovely break!

Choosing the right retaining wall system can significantly impact cost, performance, and buildability.Traditional masonr...
30/03/2026

Choosing the right retaining wall system can significantly impact cost, performance, and buildability.

Traditional masonry has long been the default, but is it always the best option?

In our latest blog, we compare Allan Block segmental retaining walls vs traditional masonry, breaking down:

- Installation speed and efficiency
- Structural performance
- Flexibility and movement tolerance
- Cost and sustainability considerations

For engineers, specifiers, contractors and homeowners, this guide helps you make informed decisions for your next project.

Read the full article:

What’s the Difference Between Allan Block and Masonry Retaining Walls? A segmental retaining wall vs masonry comparison highlights two fundamentally…

Easter Closure 🐣Please note our England sales office is closed on Friday 3rd April & Monday 6th April.Our Northern Irela...
27/03/2026

Easter Closure 🐣

Please note our England sales office is closed on Friday 3rd April & Monday 6th April.

Our Northern Ireland sales office will be closed on Monday 6th and Tuesday 7th April.

Usual hours will resume Wednesday 23rd April.

Contact us 📧[email protected]
📞 028 9061 8145 / 0113 350 0880

We're Hiring!We're looking for a talented Area Sales Manager (GB) to join the team at Colinwell, based in Great Britain....
13/03/2026

We're Hiring!

We're looking for a talented Area Sales Manager (GB) to join the team at Colinwell, based in Great Britain. If you’re passionate about building relationships and growing business for our award-winning concrete masonry products, we’d love to hear from you.

Learn more about the role and how to apply here:
https://colinwell.com/careers/area-sales-manager-gb

Address

37 Colinglen Road
Belfast
BT170LP

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm

Telephone

+442890618145

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