UK Certifications and Approvals
Apply for NSF REG4 certification, NSF TMV certification, WRAS approval or BS 6920 testing to comply with UK regulations.
NSF tests and certifies plumbing products to meet the regulatory requirements required to sell water products in the United Kingdom. We also submit test reports required for industry certifications.
Our Services
Use of NSF consulting services or attending NSF training sessions does not provide an advantage, nor is it linked in any way to the granting of certification.
Resources
How NSF Can Help You
Get in touch to find out how we can help you and your business thrive.
What’s New with NSF
NSF Ends UK’s Three-Year Testing Gap with REG 31 Testing Designation
May 20, 2026NSF’s Oakdale laboratory becomes the UK’s sole facility offering comprehensive BS 6920 and REG 31 testing, closing a critical drinking water safety gap.
NSF Annual Review and Impact Report 2025 Now Live
April 20, 2026NSF has published its Annual Review and Impact Report 2025, detailing the organization’s progress over the past year and outlining strategic priorities for 2026.