Home > Companies > Thomas Armstrong (Concrete Blocks) Ltd
We are one of the country's largest independent block manufacturers. Operating across eight 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 Stocks Bros Ltd in Leeds, Coulthard Concrete Products Ltd in Cumbria, William Rainford (Holdings) Ltd in Aintree and Barnetts (of Buglawton) Ltd in Congleton Cheshire.
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Featured Downloads

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Installation instructions
An overview of the benefits of Thin Joint construction using Airtec aerated blocks along with det...
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Product catalogue
A comprehensive product and technical brochure for all concrete blocks within our range including...
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Product catalogue
A unique, detailed and comprehensive series of solutions for meeting a range of current and futur...
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AIRTEC Foundation Block
Autoclaved aerated concrete foundation blocks.
- F10 Brick/ block walling
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AIRTEC Large Format Block
Autoclaved aerated concrete large format blocks.
- E60 Precast concrete floors/ roof decks
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AIRTEC Wall Block
A range of autoclaved aerated concrete blocks in various formats including standard and XL.
- F10 Brick/ block walling

Quality Assurance

Thomas Armstrong (Concrete Blocks) Ltd is certified to the following Quality Assurance schemes/standards:
BS EN ISO 14001: 2015 – BSI
BS EN ISO 9001: 2015 – BSI
BES 6001
BES 6001
BBA Certificate 06/4309_1 – 06/4309_1 Airtec Party Wall
BBA Certificate 06/4309_2 – 06/4309_2 Airtec Seven
BBA Certificate 06/4309_3 – 06/4309_3 Airtec Standard
BBA Certificate 06/4309_4 – 06/4309_4 Airtec XL
BBA Certificate 06/4309_5 – 06/4309_5 Airtec Thin Joint System
BBA Certificate 771-4/2011 – 771-4/2011 Certificate of Factory Production Control


Thomas Armstrong (Concrete Blocks) Ltd provides goods and services in the following areas:

Trade names

Beamish Cobbles
College Setts
Hadrian Setts

Contact details

Bridge Road,
North Yorkshire, DL10 7HW
Tel +44 (0)1748 810204
Fax +44 (0)1748 813950

Alternative contacts

Garforth, Leeds
Stocks Bros Limited,
Ninelands Lane,
West Yorkshire, LS25 1NT
Tel +44 (0)113 2320022
Fax +44(0)113 2870839
Pickhill, Thirsk
Cross Lane,
North Yorkshire, YO7 4JQ
Tel +44 (0)1845 567282
Fax +44(0)1845 567606
Rowlands Gill, Newcastle
Whinfield Works,
Whinfield Road,
Rowlands Gill,
Newcastle upon Tyne,
Tyne & Wear, NE39 1EH
Tel +44 (0)1207 544214
Fax +44(0)1207 541800

Additional links

The following external links have been provided by the manufacturer: