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Buy British Slate
Established for over 50 years, at Mill Hill Quarries Ltd, we are one of the South West's leading slate quarrying companies specialising in the supply of roofing slate,
 building stone, garden products, slate flooring, slate chippings, and other quarry products to the domestic, construction and landscaping industry.
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Opening hours: Mon - Fri  0800 - 1700 / Sat - Sun  Closed. We give professional advice, we offer free quotes and DIY customers are welcome. Prompt deliveries can be arranged throughout the UK, domestic and commercial enquiries are welcome.


Mill Hill Slate Quarries extract stone from the Upper Devonian Slate Beds to produce high quality, hand selected materials for use throughout the construction industry.
Aggregates and slate chippings are generated from offcuts making them a more sustainable and environmentally responsible choice.
Mill Hill and Trevillett slate building stones and floor tiles are dense, durable and versatile, for use in interior or exterior applications, they are available in blue, rustic or cutface finishes.
Cornish roofing slate is hand split by craftsmen at our Trevillett quarry near Tintagel, Cornwall, and extensively used in heritage repair projects and quality new builds.
Our Trevillett roofing slate is quarried from the Upper Delabole Slate Beds and is available in a wide range of sizes, including locally popular diminishing course randoms.