Thomas Armstrong (Concrete Blocks) Ltd

Thomas Armstrong (Concrete Blocks) Ltd

One of the UK's largest independent block manufacturers

+44 (0)1207 544214

We are one of the country's largest independent block manufacturers. Operating across ten manufacturing sites throughout the North of England and offering a comprehensive range of building blocks and related products. Our group of block manufacturing companies include companies formerly known as Stocks Bros Ltd in Leeds, Sellite Blocks Ltd, Coulthard Concrete Products Ltd in Cumbria, William Rainford (Holdings) Ltd in Aintree and Barnetts (of Buglawton) Ltd in Congleton Cheshire. As of March 2021, we are now unifed under Thomas Armstrong (Concrete Blocks) Limited.

A wide product portfolio includes traditional lightweight and dense concrete blocks, paving blocks and setts and our Airtec block range - the UK's most innovative aerated block product.

Latest products

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Trade names

  • Airtec
  • Beamish Cobbles
  • College Setts
  • Hadrian Setts
  • Insulite