Thomas Armstrong

Thomas Armstrong (Holdings) Ltd – Press Release 15.02.19

Thomas Armstrong continues its expansion

Thomas Armstrong (Holdings) Ltd are pleased to announce their latest acquisition of the Sellite Blocks Limited, a Yorkshire based building block manufacturer.

Based in Great Heck near Leeds, Sellite Blocks Limited is a well-established and highly regarded building block manufacturer of eco-friendly building blocks. With a workforce of 14 and an annual turnover of £5 million, it has served national house builders and builders’ merchants for over 60 years.

Established in 1830, Thomas Armstrong (Holdings) Ltd already has an extensive portfolio of specialist services alongside manufacturing a wide range of high-quality building products to meet the continuing demands and changes within the construction industry. Based in Cumbria, the company’s depth of history, knowledge and expertise has enabled it to become a leading and well-known construction manufacturer across the North of England.

Keith Denham, Group Managing Director and Chief Executive of Thomas Armstrong (Holdings) Ltd comments: ‘We are delighted to announce the successful completion of our new acquisition of Sellite Blocks Limited. This latest acquisition will provide valuable wealth and expertise to our company as well as enhancing our services and products to our clients and customers. This has also given us the opportunity to strengthen our brand and to continue to maintain our competitive position within the construction industry.

‘We are looking forward to working with everyone at Sellite particularly Colin Hope and we are excited about what the future will bring in the many years to come.’

Mr Colin Hope, currently Managing Director of Sellite Blocks Limited will join The Thomas Armstrong Group in a new role following the acquisition along with the entire Sellite workforce.


Welcome to the Thomas Armstrong Group

Please note that our website is going to be replaced with a new site which is currently being developed. Watch this space!

Click to view our history, people, places and policiesWelcome to the Thomas Armstrong group. Established in 1830, we have over 180 years of expertise and growth in construction services and in the manufacture of quality building products.

We continue to invest in new technologies and evolve as a company to ensure that we are perfectly positioned to serve the construction industry well into the future.

Click HERE to find out more about our history and our group



Bespoke Joinery


Concrete Blocks




Mechanical & Electrical

Paving Blocks

Prestressed Products

Timber Products


Timber Frame Construction Workwear & Tool Hire




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