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ARTICLE · 24 AUGUST 2026

UK REACH Update: Transitional Registration Deadlines Deferred

The United Kingdom government has extended UK REACH transitional registration deadlines to 2029-2031, providing companies additional time to comply with chemical manufacturing and import regulations. This extension allows the government to develop the Alternative Transitional Registration model aimed at reducing data and financial burdens on businesses while maintaining chemical safety standards.

United KingdomEnvironment

On 6 August 2026, the United Kingdom (UK) government extended the UK Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) transitional deadlines for any company manufacturing or importing chemicals into Great Britain (England, Scotland, and Wales). Grandfathered substances now have one of the following deadlines depending upon the hazardous properties and tonnage band.

  • 27 October 2029:
    • Substances that are manufactured or imported at or above 1,000 metric tonnes per year (mt/y);
    • Substances that are manufactured or imported at or above one mt/y and classified as carcinogenic, mutagenic, or toxic for reproduction (CMR);
    • Substances that are manufactured or imported at or above 100 mt/y and classified as very toxic to aquatic organisms (acute or chronic); and

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