About Craig-yr-Hesg quarry

Our Craig-yr-Hesg quarry in the Taff Valley, near Pontypridd, has been operating since 1885. It contributes more than £2 million a year to the local economy and employs a team of 17 at the site, while a further 60+ maintenance engineers and HGV drivers depend on it for their livelihood.

Craig-yr-Hesg provides high quality blue pennant sandstone for use in road surfacing across south Wales and beyond. The stone has a high polished stone value, which means that it has a very high skid resistance, making it the ideal choice for use on motorways and airport runways. 

Reserves at the site have been secured until 2049 following the granting of planning permission to extend the site and access a further 10 million tonnes of stone in October 2022. 

Habitats within the quarry include semi natural woodland, small pockets of heathland, rock and scree, open habitat on previously disturbed ground and quarry benches and tips that are regenerating naturally to woodland. A wide range of flora and fauna has made the quarry its home, including nesting barn owls and peregrine falcons, and we work closely with an independent ecologist to protect and enhance biodiversity at the site.

We are committed to being a good neighbour and actively support local initiatives and programmes which benefit the community and environment. 

Craig-yr-Hesg quarry

Drop-in event 11 June 2024

Now that we have started ground preparation work for the approved extension to Craig-yr-Hesg quarry, we want to provide the local community with more information about our operations.

We are holding a holding a residents’ drop in event on Tuesday, 11 June from 15.30 – 20.30 at Glyncoch Community Centre, Clydach Cl, Glyncoch, Pontypridd, CF37 3DA. Our quarry management team, air quality and blasting experts, plus other specialist colleagues will be on hand to answer questions and give reassurance about how any potential impacts of our activities are managed.

All are welcome and we look forward to meeting residents and other community stakeholders at this event. 

Hello future

On 02 October 2023 we rebranded to Heidelberg Materials. As well as aligning with our parent company, our new name better reflects the company we are today.

We’re focused on driving down carbon emissions, increasing the use of recycled materials to grow the circular economy and leading our industry towards net zero with innovative projects such as carbon capture and storage.

Some of the new Heidelberg Materials signage and vehicle livery is already in place and we hope to have completed this within the next two years. Please note that our email and website details have also changed.

Find out more
Hanson becomes Heidelberg Materials

Hanson becomes Heidelberg Materials

Operations and blasting

Blasting can take place between 10:00 and 16:00 Monday to Friday. We plan operations so that, wherever feasible, blasting takes place between 12:00 and 15:00. Please note our blast times are approximate and, as such, are subject to change due to weather or health and safety concerns.

Residents can request to be added to our WhatsApp group to be kept informed of blasts by sending a WhatsApp message to 07875 139481. Please see our privacy policy for details on how we manage personal data.

A blast is scheduled for Thursday, 23 May between approximately 14:00 and 16:00

Contact us

For all enquiries please email: craigyrhesgquarry@uk.heidelbergmaterials.com

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Drop-in event 11 June 2024

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