Newbold Quarry: a science-led journey to nature restoration

Newbold Quarry’s progressive transformative rehabilitation 
 

For decades, Newbold Quarry was a vital source of construction materials, but now the quarry is nearing the end of its lifecycle. Guided by our Nature Strategy, this post-extraction land served as a strategic opportunity for ecological improvement and community value.

“By embracing a science-based methodology in progressive, transformative rehabilitation, we set out to create from scratch a thriving environment for both biodiversity as well as the local residents,” Tom explains.

The Holcim UK team saw an opportunity to go beyond traditional rehabilitation. They successfully established entirely new habitats, such as vital wetlands that were not originally present, and which now support vital ecosystems in the region. It has also been designed to fit in with the wider Trent Valley Living Landscape, supporting nature restoration at scale.

This biodiversity-rich landscape benefits more than just the wildlife it supports. It also contributes to essential ecosystem mechanisms, including carbon sequestration and natural water storage, which are critical to build our cities’ resilience.

Science-based Landscape Modeling
 

Transforming a former quarry into a self-sustaining ecosystem relies on patience and ecological collaboration. To ensure long-term resilience, Tom and his team used detailed modeling to set out the final landform.

“This involved a 12-to-14 months planning window to conduct environmental research and raise large voids with inert material before any ecological work could begin. Once the correct levels were reached, planting, seeding, and soft landscaping were introduced in a controlled way,” Tom explains.

Following Holcim’s science-based approach, the team prioritized site hydrology as the essential foundation for a thriving wetland. Because land rarely behaves in a predictable way, the project embraced a continual cycle of learning.

Subsurface conditions often became clear only once excavation began, requiring the team to remain flexible. Methods and timelines were frequently adjusted to respect natural rhythms, such as nesting seasons and seasonal ground conditions.

Newbold Quarry now provides the specific habitats required for wading birds – including the rare black-necked grebe – to thrive. On land, the site’s calcareous grasslands support important wildflowers such as the bee orchid, demonstrating how former quarries can be reshaped into rich natural assets.

A Community-led Ecosystem
 

For Tom, restoration is about building a nature-positive future together with the local communities. The Newbold project was shaped by the Newbold Quarry Liaison Group, which provided a direct link between Holcim UK and the locals.

Today, the wetland features walking trails, viewing points, and educational signage. These features encourage residents to explore the landscape and understand its transformation, fostering a sense of connection to their environment.

“I’m extremely proud of the work the Holcim UK team delivered here at Newbold Quarry. It’s a prime example of how, when restored well, former extraction sites can become meaningful contributors to the local environment and host much more flora and fauna than before quarrying began. It serves as a lighthouse for our Nature Strategy, proving how transformative rehabilitation can deliver a positive impact on biodiversity and help build a nature-positive future,” Tom concludes.