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Decommissioning

Engineering-led decommissioning solutions that safely transform complex assets and prepare sites for future use.

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Keltbray delivers specialist decommissioning, dismantling and demolition services across the nuclear, energy, industrial and infrastructure sectors.

Acting as Principal Contractor and Principal Designer, we provide safe, compliant and efficient solutions that help clients manage complex assets throughout the decommissioning lifecycle.

Operating in some of the UK's most highly regulated environments, our teams combine engineering expertise, meticulous planning and innovative delivery methods to reduce risk, maximise certainty and achieve the best outcomes. From feasibility and programme development through to execution and site remediation, we provide an integrated service focused on safety, sustainability, cost certainty and programme performance.

Supported by specialist designers, project managers and site professionals, we have built a strong reputation for delivering technically complex projects safely and efficiently. Our track record of repeat business and long-term relationships reflects the confidence clients place in our capability.

Working closely with specialist teams across Keltbray, we provide a seamless turnkey solution encompassing decommissioning, demolition, hazardous materials management, remediation and site preparation. This collaborative approach simplifies project delivery and helps clients achieve greater certainty across complex programmes.

Progress photos of demo of Bitumen Tanks and plant. Fawley Esso Refinery, Fawley, Southampton, UK. 20 Jan 2026 Photo by Zute Lightfoot of behalf of Keltbray

What we deliver:

  • Decommissioning and Asset Closure

    Delivering decommissioning, dismantling and asset closure programmes across the nuclear, energy, industrial and infrastructure sectors, including live operational environments.

  • Demolition Engineering and Planning

    Providing demolition design, methodology development, feasibility studies, and programme, cost and risk assessments to support informed decision-making.

  • Remediation and Site Preparation

    Supporting project progression through controlled dismantling, hazardous materials management, ground remediation and site preparation services.

Learn more about Keltbray's Decommissioning:

Where we’ve delivered it

All decommissioning projects

Talk to the team

For all other enquiries & tenders please email tenders@keltbray.com

Send a decommissioning brief →