In a boost to its long-term mineral reserves, Breedon has permission to extract an additional 12 million tonnes of stone.
This brings its total permitted reserves at Leaton to more than 20 million tonnes, extending the life of the quarry to more than 25 years.
Breedon has also been granted permission to increase production at the site to 750,000 tonnes a year.
The consent is subject to a section 106 agreement and the creation of a new site access, part of a package of proposals to develop the site in an environmentally acceptable manner over the long term.
Breedon Aggregates England chief executive Tim Hall said: "We're delighted to have secured the future of Leaton for the next 30 years. This extension will ensure that it realises its full potential as one of the group's leading producers of crushed rock, asphalt and ready-mixed concrete."
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