UK plans to extend UK-REACH registration buffer period
Time:
2025-07-22
The UK plans to extend the UK-REACH registration deadline and proposes three options to modify the deadline, aiming to provide more time for the industry to prepare for the upcoming Alternative Transition Registration Model (ATRm).
On July 14, 2025, the UK Department for Environment, Food and Rural Affairs launched a public consultation on a proposal to extend the UK REACH registration deadline, which will end on September 8, 2025.

Three types of extension plans
The UK Department for Environment, Food and Rural Affairs (Defra) is working with various decentralized government departments to negotiate three new options for extending the UK REACH transition registration deadline. The current three plans are October 2026, October 2028, and October 2030. The priority plan is to modify the transition registration deadlines to October 2029, October 2030, and October 2031 respectively, and set a one-year interval between the three deadlines.
The current negotiations have proposed three proposals to modify the deadline:
Option 1 (Government's preferred option): October 2029, October 2030, October 2031- Provide a two-year transition period after ATRm is finalized, and a simplified one-year interval between deadlines.
Option 2: April 2029, April 2031, April 2033- Maintain the original two-year interval but extend the overall registration period.
Option 3: April 2029, April 2030, April 2031- Provide earlier completion dates while retaining a one-year interval.
This extension aims to provide the industry with more time to prepare for the upcoming Alternative Transition Registration Model (ATRm) - a new framework aimed at reducing data collection costs and management burdens without compromising health and environmental protection.
Why does the UK REACH regulation require more time
Since Brexit, REACH in the UK has replaced REACH in the EU, requiring companies to register substances with the UK Health and Safety Executive (HSE). However, the UK does not retain detailed EU REACH registration data. To fill this gap, the UK has developed transitional arrangements and implemented them in stages based on material tonnage and hazard characteristics.
The government acknowledges that ATRm cannot be fully legislated before the first deadline of 2026. Therefore, it is necessary to modify the schedule to ensure that businesses are not forced to comply with requirements that may soon become outdated or replaced.
The impact on stakeholders of the entire supply chain
This progress is not only crucial for manufacturers and importers, but also for formulators, recyclers, distributors, and chemical professionals. Extending the deadline will allow critical substances (used in various fields from pharmaceuticals to water treatment) to continue to be obtained while reducing potential supply disruptions.
In addition, this consultation also includes a proposal to adjust the compliance inspection obligation under Article 41 (5) of the UK REACH regulation. The Health and Safety Authority (HSE) in the UK still needs to inspect 20% of registration records, but the inspection time will be consistent with the new submission date.
Maintain protection through temporary measures
Although it has been a long time, the Department for Environment, Food and Rural Affairs (Defra) emphasizes that the UK REACH framework is still based on the precautionary principle. The Health Services Agency (HSE) will continue to use EU REACH data and Safety Data Sheets (SDS) as references, and UK specific risk assessments will be supported through academic research and stakeholder engagement, among other sources.
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