Published 2026-03-28 · Slip-Tests UK
The short version
BS EN 16165:2021 is the current European standard for slip resistance testing of pedestrian surfaces. It includes an annex describing the pendulum test method that was, until 2021, published separately as BS 7976-2. The two standards now run in parallel — BS EN 16165 is the adopted European version, BS 7976-2 remains as a British Standard referenced in much existing UK guidance and case law.
For practical purposes, the pendulum test method itself — the apparatus, the slider, the procedure, the PTV calculation — is effectively identical in both standards. Any UKAS-accredited laboratory testing to one is testing to the other.
Why there are two standards
BS 7976 has been the British Standard for pendulum slip testing for decades. In 2021, the European Committee for Standardization (CEN) published EN 16165 as the pan-European standard for slip resistance testing. Because the EU and UK maintain aligned technical standards in many areas, EN 16165 was adopted in the UK as BS EN 16165:2021.
Rather than withdraw BS 7976 outright, BSI maintained it because it is referenced extensively in existing UK guidance — HSE publications, legal judgments, UK Slip Resistance Group guidelines, insurer documentation, and countless construction specifications. Withdrawing BS 7976 would require updating all of these documents simultaneously.
What is effectively identical
The pendulum apparatus
The test apparatus — a weighted pendulum arm with a rubber slider that strikes the floor — is the same in both standards. The calibration requirements, the slider specifications (slider 96 for shod, slider 55 for barefoot), and the physical test setup are unchanged.
The test procedure
The method of positioning the apparatus, the number of swings, the wetting procedure for wet testing, and the calculation of PTV from the pendulum's deceleration are the same in both standards.
The classification thresholds
The UK Slip Resistance Group thresholds — PTV 36+ low slip potential, PTV 25–35 moderate, PTV below 25 high — are unchanged. HSE guidance that references BS 7976 applies equally to BS EN 16165.
What is different
The differences are genuinely minor and mostly editorial:
- BS EN 16165 combines multiple slip testing methods (pendulum, ramp, coefficient of friction) in one document, with annexes for each. BS 7976 was a stand-alone pendulum-only standard.
- Some terminology differs between the two — BS EN 16165 uses European-harmonised language in places, while BS 7976 uses UK conventions.
- Document numbering and section structure differ, so any internal reference citing a specific clause number needs checking against the new standard.
Which one should your report cite?
Best practice in 2026 is to cite both. A report referencing "BS 7976 / BS EN 16165" is unambiguous and forward-compatible with both existing UK case law and current European specification practice. A UKAS-accredited laboratory's schedule of accreditation typically lists both standards explicitly.
If a specification is older — written before 2021 — it probably references BS 7976 only. This is still perfectly acceptable and a BS 7976 / BS EN 16165 report will satisfy it.
What this means for buyers
For specifiers and buyers, the practical implications are minimal: the test itself, the numerical results, and the compliance thresholds are the same. The principal action is to ensure that any new specification references BS 7976 / BS EN 16165 together, and that any quote you receive from a UKAS-accredited laboratory confirms accreditation to both standards under its current schedule.
What this means for legal and insurance contexts
Courts and insurers have not changed their approach. A UKAS-accredited BS 7976 / BS EN 16165 pendulum test report remains the practical gold standard for slip resistance evidence in UK personal injury litigation, HSE enforcement, and commercial insurance renewal. If a report references either standard and the laboratory is UKAS ISO 17025 accredited, it is fit for purpose.
Looking forward
BS 7976 is expected to remain in force alongside BS EN 16165 for the foreseeable future. BSI's approach of maintaining overlapping UK and harmonised European standards is common across many areas of UK technical standards, and reflects the practical value of existing UK-specific guidance, case law, and professional experience.