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Animal Experiments: Inspections

Asked by Steve DarlingLiberal DemocratHome OfficeTabled Answered 19 March 2026UIN 119542

The question

To ask the Secretary of State for the Home Department, with regard to the Animals in Science Regulation Unit Annual Report 2024, published in December 2025, how many unannounced audits were there in 2024; and whether she plans to increase the number of unannounced audits by inspectors.

Answered by Sarah Jones

There were 10 unannounced audits in 2024, as reported in the published Animals in Science Regulation Unit (ASRU) 2024 Annual Report.

ASRU will increase the number of unannounced audits as part of its programme of regulatory strengthening. The inspectorate is being expanded from an average of 14.5 inspectors in 2023 to 22 by March 2026, enabling a greater volume of risk‑based audits across the system.

Both announced and unannounced audits play an important role in providing regulatory assurance. The number of audits alone should not be taken as a measure of regulatory impact: audit quality, depth and scope are central to assessing compliance effectively.

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