Warehouse floor regulations: what an HSE inspection looks at
Key takeaways
- The law that governs a warehouse floor is Regulation 12 of the Workplace (Health, Safety and Welfare) Regulations 1992, titled “Condition of floors and traffic routes”. It sets a qualitative duty, not a number.
- BS 7976-2 was withdrawn on 25 February 2022. The pendulum test now sits in BS EN 16165:2021 at Annex C. A large number of UK flooring specifications, data sheets and websites still cite the withdrawn standard.
- PTV 36 is not a legal threshold. It is the UK Slip Resistance Group classification for low slip potential, referenced by HSE. UKSRG itself cautions against using the pendulum as a universal pass or fail test.
- In Great Britain in 2024/25 there were 59,219 employee non-fatal injuries reported by employers under RIDDOR and 30% of them were slips, trips or falls on the same level. It is the largest single category by a wide margin.
- Loading bays, racking aisles, forklift point loading and wash-down zones are not named separately in the Workplace Regulations. They are the specific risks that Regulation 12 and the risk assessment bring into play in a warehouse and other legislation covering workplace transport and work equipment applies to them in its own right.
Legislation, guidance and figures on this page were checked as at 29 August 2026. HSE injury statistics are updated annually, usually in the autumn.
What law applies to a warehouse floor?
Regulation 12 of the Workplace (Health, Safety and Welfare) Regulations 1992, “Condition of floors and traffic routes”. It requires every floor in a workplace and the surface of every traffic route to be of a construction suitable for the purpose for which it is used, to be kept free from obstructions and from any article or substance which may cause a person to slip, trip or fall and it requires floors to have no hole or slope, or to be uneven or slippery, so as to expose any person to a health and safety risk.
Underneath it sits the general duty in the Health and Safety at Work etc. Act 1974 and the duty to assess risk under the Management of Health and Safety at Work Regulations 1999. Between them these are the core instruments for the floor itself, though an inspector is not confined to them and will bring in workplace transport, work equipment and any other legislation the circumstances engage. Notice what none of them contain: a slip resistance figure, a floor material, a coefficient of friction or a test to pass.
That is deliberate. The duty is to control the risk in the workplace as it actually operates and a figure written into legislation would be either too lax for a wet food distribution centre or too strict for a dry parts store.
What does the Approved Code of Practice add?
L24 is the Approved Code of Practice and guidance supporting the Workplace Regulations. Its paragraphs on floors and traffic routes are the most useful text available on what “suitable” means in practice, covering the strength and stability of the floor against the loads and the traffic it carries, drainage where wet processes are involved, the avoidance of holes, slopes and uneven or slippery surfaces and the treatment of temporary conditions.
The legal status is worth understanding. An Approved Code of Practice has a special position: following it is not compulsory, but if you are prosecuted for a breach and it is proved you did not follow the relevant provisions, a court may find you at fault unless you can show you complied with the law in some other equally effective way. That is the formulation HSE uses and the word doing the work in it is “may”. In practice, departing from L24 means being able to explain why.
The load and traffic point is the one warehouse operators most often overlook. A floor breaking up under counterbalance forklift traffic raises a question about the suitability of the construction for the purpose it is used for and a good slip result does not answer it. How far that goes depends on the extent of the damage, the risk it creates and what is being done about it, but it is a Regulation 12 question in its own right rather than a maintenance afterthought.
How is slip resistance measured and to which standard?
By the pendulum test and the standard changed. BS 7976-2 was withdrawn on 25 February 2022 and the pendulum method is now published within BS EN 16165:2021 at Annex C. If your slip test report, your specification or your supplier’s data sheet cites BS 7976-2 as the current standard, it is citing a withdrawn document.
This is worth checking rather than assuming, because the withdrawal has propagated slowly. A great many UK flooring pages, product data sheets and even specifications issued in the last two years still name the old standard. The method itself did not change fundamentally, so a historical result does not become meaningless on the day the standard was withdrawn. Whether it is still usable is a narrower question that depends on what was tested, under what conditions with which slider and for what purpose. A dated report supporting a past risk assessment is one thing. A current specification written against a withdrawn reference is another.
The pendulum measures dynamic slip resistance in a way intended to represent the heel strike of a walking pedestrian and it can be run in dry conditions, wet with water and with contaminants. The contaminated result is usually the one that matters in a warehouse, because people rarely slip on a floor that is clean and dry. Note that contamination is not only water: dust, powder, grease and product residue all create slip risk and a dry floor carrying dry contamination is not a safe floor. There is more detail on the method itself on the floor slip testing page.
Is PTV 36 a legal requirement?
No. The Pendulum Test Value classification comes from the UK Slip Resistance Group, an industry body whose guidance HSE references. The bands are 0 to 24 high slip potential, 25 to 35 moderate slip potential and 36 and above low slip potential. That is a recognised risk classification, not a statutory threshold and UKSRG itself warns against treating the pendulum as a universal pass or fail test.
The distinction is not pedantry. It changes what a dutyholder has to be able to show. Hitting 36 does not discharge the duty under Regulation 12 if the floor is contaminated daily and never cleaned properly. Falling below 36 in a dry, low-traffic area is not automatically a breach. What matters is whether the risk has been assessed and controlled.
The chain runs like this and it is worth being able to recite it in an inspection. The law sets a duty to control the risk. The dutyholder assesses the risk in the area as it actually operates. Slip resistance is one input to that assessment, measured by the pendulum test to BS EN 16165. The result is a PTV. UKSRG guidance interprets what that PTV means for slip potential. The dutyholder then decides what control measures follow.
What it does not run like is “the law says PTV 36, our floor is 38, we are compliant”. An inspector will not accept that and it is not what the documents say.
What do the injury figures show?
In Great Britain in 2024/25 there were 59,219 employee non-fatal injuries reported by employers under RIDDOR. Slips, trips or falls on the same level accounted for 30% of them, ahead of handling, lifting or carrying at 17%, being struck by a moving object at 10%, acts of violence at 10% and falls from height at 8%.
Slips and trips are therefore the largest single reported cause of non-fatal workplace injury in Great Britain, by a margin of thirteen percentage points over the next category. In a warehouse the exposure is concentrated where surfaces change, where contamination arrives and where people are moving quickly with their hands full.
The four warehouse conditions that drive floor failure
Loading bay transitions. The dock is where water, mud, snow, diesel and packaging debris enter the building on tyres and boots and it is where the floor changes level and material. On many sites it is among the highest-risk parts of the building, though where the peak risk actually sits varies: cold stores, wash-down areas, production interfaces, battery charging and pedestrian and vehicle crossing points all compete for it and the risk assessment is what settles it for a given building. No regulation names loading bays. Regulation 12 and the risk assessment bring them into scope and the practical answers are transition detailing, drainage, matting and a slip resistance appropriate to a routinely contaminated surface.
Racking aisles and point loading. Racking legs concentrate very high loads into small baseplate areas and forklift wheels concentrate them further still. The failure mode is not slip but breakdown of the slab surface, spalling around joints and dusting under abrasion. This is where the L24 language about strength and stability against loads and traffic becomes concrete. A resin system laid without regard for the point loads and the joint arrangement fails early and joint breakdown is one of the common routes, alongside delamination, cracking and abrasion depending on the system and the substrate underneath it. No coating rescues a slab that cannot carry the load.
Wash-down zones. Anywhere the floor is regularly wetted, the wet pendulum result and the drainage arrangement matter more than anything else about the specification. Falls to drainage, coving and a surface profile that still performs when wet are the substance. A floor specified on its dry performance in a wash-down area is a foreseeable problem.
Line marking and traffic segregation. Separating pedestrians from vehicles is one of the most effective controls available in a warehouse and the floor is where it is delivered. Marking has to survive forklift traffic and cleaning, which is the question to put to any marking system before it is chosen. Applied coating systems and tape both have a place: tape is quick and lifts cleanly when a layout changes, applied systems are specified where the marking is meant to be permanent and take traffic. Service life depends on the substrate, the preparation, the traffic and the cleaning regime rather than on the format alone. See line marking for how it is applied.
What an inspector actually looks at
Condition first. Holes, trip hazards, damaged joints, spalling, worn or missing marking, standing water, obstructions in traffic routes. These are visible in five minutes and they are what a Regulation 12 breach looks like on the ground.
Then the paperwork behind it. The risk assessment for slips and trips, whether it identifies the specific areas and conditions in this building rather than being generic, the cleaning regime and who is responsible for it, the accident and near-miss record, whether reported incidents led to any change and any slip testing carried out. An inspector following up a reported injury will work backwards from the incident to whether the risk was foreseeable and what was done about it.
A dated slip test report is useful evidence and it is not a defence on its own. What it demonstrates is that the risk was assessed with real data rather than assumed.
What to do before an audit
Walk the building and look at the floor where the conditions change: dock levellers, aisle ends, wash-down areas, battery charging, the route from the yard. Check the slip test report if one exists and confirm which standard it cites, because a report naming BS 7976-2 as current needs updating to BS EN 16165 even if the result is still sound. Confirm the cleaning regime is written down and being followed, since the most common cause of a floor underperforming is the wrong cleaning product leaving a film.
Review the risk assessment against how the building actually runs now rather than how it ran when the assessment was written. Warehouses change use faster than their paperwork. And where the floor itself is the problem, deal with the substrate before the surface. A coating cannot cure a slab that is failing structurally and laying one over the top usually means paying for the same area twice.
Industrial resin systems for warehouse environments are made by manufacturers such as Sika, Flowcrete, Resdev, Mapei and Watco and a specialist contractor matches the system to the traffic, the contamination and the shutdown window available. Listing a manufacturer here does not imply a partnership, approval or accreditation.
Related reading covers the wider legal framework in safety flooring regulations, the R rating and PTV vocabulary in safety flooring slip ratings and the specification side in industrial resin flooring and warehouse flooring.
Surface Specialists is a network of vetted specialist contractors. Tell us the building, the traffic and the shutdown window and we match the project to a contractor who works in operational warehouses. Get in touch to arrange a site survey. Determining compliance with the Workplace Regulations is a matter for the dutyholder and the enforcing authority.
Frequently asked questions
What regulation covers warehouse floors in the UK?
Regulation 12 of the Workplace (Health, Safety and Welfare) Regulations 1992, “Condition of floors and traffic routes”. It requires floors and traffic route surfaces to be of a construction suitable for their use, kept free from obstructions and from anything likely to cause a slip, trip or fall and free from holes, slopes, unevenness or slipperiness that would expose a person to risk. It sets no numeric threshold.
Is PTV 36 a legal requirement for warehouse floors?
No. PTV 36 and above is the UK Slip Resistance Group classification for low slip potential, which HSE references. It is a recognised risk benchmark rather than a statutory pass or fail and UKSRG cautions against treating the pendulum as a universal pass or fail test. The legal duty is to assess and control the risk under Regulation 12.
Is BS 7976-2 still the pendulum test standard?
No. BS 7976-2 was withdrawn on 25 February 2022. The pendulum method is now published within BS EN 16165:2021 at Annex C. Test reports, specifications and data sheets citing BS 7976-2 as current are referencing a withdrawn document. Historical results do not become meaningless because the standard was withdrawn, but whether an old result is still usable depends on what was tested, the conditions, the slider used and what the result is now being relied on for.
What proportion of workplace injuries are slips and trips?
In Great Britain in 2024/25, 30% of the 59,219 employee non-fatal injuries reported by employers under RIDDOR were slips, trips or falls on the same level. That is the largest single category, ahead of handling, lifting or carrying at 17% and being struck by a moving object at 10%.
Does the law say anything about loading bays or racking aisles specifically?
No. Loading bays, racking aisles, forklift point loading and wash-down zones are not separately named in the Workplace Regulations. They are the specific conditions that Regulation 12 and the risk assessment bring into play in a warehouse and the Approved Code of Practice L24 covers the underlying principles of strength, stability, drainage and surface condition. That is a point about Regulation 12 only. Workplace transport and work equipment legislation applies to activities in those areas in its own right.
Does a warehouse floor need slip testing?
Testing is not mandated. It is the most defensible way to put real data behind a slips and trips risk assessment, particularly in areas that are routinely wet or contaminated. A dated in-situ pendulum test to BS EN 16165 on the installed floor is stronger evidence than a manufacturer’s dry laboratory rating, provided the test conditions represent the contamination the area actually sees. A water-wet test does not tell you how the floor behaves under oil, grease, dust or product residue.
Who is responsible for the condition of a warehouse floor?
The employer and anyone in control of the premises to any extent, which in a leased building can mean responsibility is shared between landlord and tenant depending on the lease. The duty under Regulation 12 attaches to the workplace, so it is worth establishing in writing who maintains the floor before a problem appears.
What is the Approved Code of Practice L24?
L24 is the Approved Code of Practice and guidance supporting the Workplace (Health, Safety and Welfare) Regulations 1992. It explains what the regulations mean in practice, including for floors and traffic routes. Following it is not compulsory. HSE’s formulation is that if a dutyholder is prosecuted for a breach and it is proved they did not follow the relevant provisions, a court may find them at fault unless they can show they complied with the law in some other equally effective way.