First announced by the Prime Minister in 2025, Pioneer Park will explore development opportunities across over 400 acres of land owned by the Nuclear Decommissioning Authority (NDA), taking into account Sellafield’s existing requirements - the UK’s largest nuclear complex and one of the most significant nuclear locations anywhere in the world.

Located at the heart of a globally recognised nuclear cluster, Pioneer Park represents a rare opportunity to attract new investment, support innovation and reinforce West Cumbria’s reputation as a centre of nuclear expertise.

The launch of the masterplanning work follows the appointment of global engineering and advisory firms Mott MacDonald and WSP, who will lead the programme management office and develop options for the site's future.

Sellafield site aerial Pioneer Park 2025 02 05 25 3600px 50

The appointment follows extensive market engagement led by us here at BEC and a competitive tender process to identify the partners best placed to help shape the project. The work has been made possible by an initial £1 million investment from the NDA to begin the masterplanning phase.

The masterplan will explore how Pioneer Park could support a range of nuclear and clean energy opportunities, including potential locations for next-generation nuclear technologies, supply chain facilities, and innovation activity, helping to position West Cumbria as a hub for future nuclear deployment in the UK.

MP for Whitehaven and Workington, Josh MacAlister, said: “Pioneer Park represents a truly transformational opportunity for West Cumbria. Our communities have powered the nation for generations through our leadership in nuclear, and this project is about ensuring we continue to play a central role in the UK’s energy future.

“With its proximity to Sellafield and our world-class nuclear workforce, West Cumbria is uniquely placed to support the next wave of nuclear innovation and investment. The appointment of Mott MacDonald and WSP is an important step toward turning that potential into a clear, deliverable vision for the site.

“Done right, Pioneer Park can attract major private investment, strengthen the UK’s nuclear supply chain and create high-quality jobs for local people. I’m determined that West Cumbria continues to lead the nation in nuclear expertise and that our communities benefit from the opportunities this project could unlock for decades to come.”

Leader of Cumberland Council, Mark Fryer, said: “West Cumbria has been at the heart of the UK’s nuclear industry for decades, and Pioneer Park represents an important opportunity to build on that legacy. This project has the potential to attract new investment, support our highly skilled workforce and reinforce the area’s position as one of the most important nuclear locations in the country.

“As a council, we are committed to working with partners to ensure Pioneer Park delivers long-term benefits for local communities while supporting the continued growth of the UK’s nuclear sector.”

The project comes at a time when the UK is seeking to expand nuclear power generation and strengthen its domestic nuclear supply chain as part of its long-term energy security strategy.

Nuclear Minister Patrick Vallance said: “Cumbria has been a major contributor to nuclear in the UK and opening up this land for development will build on the region’s energy expertise.

“This could lead to new jobs and economic growth in Cumbria, while boosting the nation’s energy security and protecting family finances.”

BEC will continue to lead the development of Pioneer Park on behalf of the NDA and Cumberland Council. Michael Pemberton, Chief Executive of BEC, said:

“Appointing Mott MacDonald and WSP is a significant step forward for Pioneer Park and for West Cumbria’s nuclear future. This site is next to one of the most important nuclear sites in the world. Our focus is on developing a masterplan that builds on that unique position - creating opportunities for investment, innovation and new technologies while supporting the long-term strength of the UK’s nuclear sector.

“Pioneer Park is about unlocking the potential of this strategically important site and ensuring West Cumbria remains a global centre for nuclear expertise.”

NDA Group CEO, David Peattie, said: “Our expertise in the safe and secure decommissioning of nuclear sites is unparalleled, underpinned by a long and proud history in West Cumbria. This development has the potential to create new jobs, drive economic growth for the region, and strengthen the nation’s energy security.

“Through the reuse of our land, we’re unlocking opportunities that will deliver lasting benefits for the local community, and the wider economy, for many generations to come.”

Community and stakeholder engagement will be a central part of the masterplanning process. Over the coming months, the project team will work closely with local residents, businesses, community groups and industry partners to help shape the vision for Pioneer Park.

This engagement will ensure the development reflects local priorities, supports the needs of surrounding towns and communities, and maximises the long-term economic opportunities the project could bring to West Cumbria.

Feedback gathered through this process will help inform the emerging masterplan and ensure the site is developed in a way that delivers lasting benefits for the county.