Slips, Trips and Falls at Work: A UK Employer’s Guide

Slips, trips and falls feel mundane. They are not. The HSE’s annual injury statistics put them at around 30% of all reported non-fatal injuries to UK workers — well ahead of manual handling, struck-by-object, or any other single category. Most cause minor injury. A meaningful minority do not: a fall from a wet kitchen floor onto a tiled surface can fracture a hip, dislocate a shoulder, or kill an older worker. The HSE’s Cost to Britain figures put slip and trip incidents at hundreds of millions of pounds in lost productivity, sickness absence and compensation each year.

This guide covers what the regulations require, where workplaces routinely fall short, and the practical control measures that actually work. It is written for the duty-holder — the employer, facilities manager, or H&S officer who has to design, implement and maintain the controls — rather than for the casual reader. We are not going to recap the obvious (“don’t run on wet floors”). We are going to talk about the regulatory architecture, slip resistance, contamination control, and the maintenance regime that turns a compliant floor on day one into a compliant floor on day 365.

The legal architecture

Three regulations between them define the duty.

The interaction matters. Section 2 HSWA sets the umbrella duty. Regulation 3 MHSWR requires the assessment. Regulation 12 of the Workplace Regulations sets the specific floor-surface requirement. A workplace that fails Regulation 12 will normally also be in breach of Regulation 3 — because if the floor is unsuitable, the risk assessment that approved its use was either not done or not done properly.

HSE prosecutions for slip and trip incidents are routine. The HSE does not need to prove that the employer caused the injury; they only need to show that the workplace was not, on the day of the incident, in compliance with the regulations. Photographs of contaminated flooring, maintenance records showing missed cleaning rounds, or risk assessments that don’t mention the area where the incident occurred — any of these will land an enforcement notice or prosecution.

What HSE statistics actually show

The latest HSE annual report on workplace injury (covering 2023/24) recorded around 600,000 self-reported non-fatal workplace injuries. Of the RIDDOR-reportable subset, slips, trips and falls on the same level accounted for around 32% — roughly 18,000 reported events, and a much larger number of unreported minor incidents that show up in sickness absence rather than the HSE return.

The sectors over-represented in the statistics are predictable: food and drink production (wet floors, contaminated surfaces), retail (loading bays, customer entrances in wet weather), healthcare (cleaning regimes, mixed pedestrian and trolley traffic), education (mixed-age users including older staff). The sectors under-represented are equally predictable: heavy industry, where floor surfaces are designed for the work being done and the workforce is more aware of slip and trip risks.

The statistic that most often surprises duty-holders is that slip and trip injuries are not predominantly to younger workers. The injury severity rises with age: a slip that bruises a 25-year-old fractures a 65-year-old. With the average age of the UK workforce rising, slip and trip injuries are becoming progressively more expensive in lost-time and compensation terms.

Why slips happen — the friction view

A slip happens when the friction between the foot and the floor falls below what the body needs to stay upright. The relevant industry measure is the Pendulum Test Value (PTV), measured on a scale where 36+ is “low slip potential” on a dry floor, 25–35 is “moderate”, and below 24 is “high slip potential”. HSE’s HSG155 (Slips and trips: Guidance for employers) and HSG156 (Slips and trips: Guidance for the food processing industry) treat PTV as the operational measure.

Three things change PTV in practice:

• The floor surface itself. A polished granite tile in a hotel lobby has a different PTV than a textured rubber surface in a kitchen. PTV is a function of the surface, not the building.
• What is on the floor. Water, oil, food residue, cleaning detergent, ice, dust, packing residue. Contamination drops PTV — sometimes catastrophically. A floor with a dry PTV of 60 can fall to a wet PTV of 12 with a film of water and washing-up liquid.
• What is on the worker’s foot. A smooth-soled shoe on a textured floor has a different PTV than a tractioned sole. Most slip incidents in food and drink production are a combination of contaminated floor and unsuitable footwear.

The compliance implication is that “the floor was fine when we put it in” does not satisfy the duty. The duty applies to the floor as it is being used today, with whatever contamination, wear, and footwear pattern actually exists in the workplace. A risk assessment that doesn’t cover wet conditions and doesn’t address footwear is not suitable and sufficient.

Why trips happen — the obstruction view

Trips are mechanically simpler than slips. A worker’s foot catches on something — a raised edge, a trailing cable, a pallet protruding into a walkway, a change in level the worker didn’t see. The body’s forward momentum carries the trunk over the obstructed foot, and the worker falls.

The categories of trip hazard that turn up most often in HSE prosecutions:

• Changes in level. A 6mm step on a corridor floor, a doorstrip between two rooms with different floor heights, a kerb edge in a car park. Anything between 6mm and 25mm is the most dangerous range — large enough to trip on, too small to register visually.
• Trailing cables. Particularly in offices, exhibition spaces and temporary setups. Cable management is the cheapest and most-skipped control measure in workplace H&S.
• Pallet and stock encroachment. Loading bays and warehousing where the storage area expands into the walkway. Common in retail backrooms and Just-In-Time supply environments where stock dwell time is theoretically zero but practically isn’t.
• Floor surface defects. Lifted carpet edges, cracked tiles, worn nosings on stairs, raised manhole covers, threshold strips that have detached at one end. Maintenance failures, almost without exception.
• Inadequate lighting. A change in level that’s perfectly visible at 11am may be invisible at 7am or 7pm. Lighting design for slip and trip prevention has to consider the lowest-light conditions, not the average.

The unifying theme: trips are usually either maintenance failures or layout failures. Both are addressable. Neither is expensive in absolute terms.

The five most common compliance gaps

From audit and consultancy work with UK employers across multiple sectors, five gaps recur:

1. Risk assessment that doesn’t address contamination

The risk assessment names the floor, names the area, and stops there. It doesn’t address what gets onto the floor in normal operation — water from a sink, oil from a fryer, condensation from a chiller, customer wet-weather drag-in. Without the contamination assessment, the controls are designed for the floor as installed, not the floor as used.

2. Cleaning regimes that create the problem they are meant to solve

A wet-mopped floor with no signage and no drying time is a slip hazard until the floor dries. The cleaning regime needs to be timed (out of peak pedestrian hours), staged (clean half the corridor at a time), or controlled (signage, barriers, residence-time guidance). Most cleaning specifications focus on what is cleaned, not when, how, or with what wet-floor implications.

3. Footwear policies that exist on paper

The policy says “appropriate footwear must be worn in the production area”. The policy does not specify what “appropriate” means. The PPE Regulations 1992 (as amended 2022) require employers to provide PPE free of charge where it is needed to control a residual risk. Where the floor is wet and the residual slip risk warrants it, slip-resistant footwear is PPE — and the employer pays. Many employers stop at the policy and don’t fund the footwear.

4. Maintenance regimes that aren’t connected to the slip/trip risk

The facilities team replaces a damaged floor tile when one is reported. The H&S team reviews slip incidents quarterly. Neither team has visibility of the other’s data, so a pattern of incidents in a particular area doesn’t translate into a maintenance priority. The fix is procedural: a single register that tracks both incidents and reactive maintenance, so the connection between them is visible.

5. Lighting designed for the building, not the worker

The lighting design specifies a target lux level at desk height. It doesn’t specify lux level at floor level on stairs, in corridors, at thresholds. A workplace can pass a lighting compliance test and still be inadequately lit for slip and trip prevention because the test measures the wrong thing. Adequate lighting at floor level on every change of level is the practical test.

Controls that actually work

The hierarchy of control sets the order — eliminate, substitute, engineering, administrative, PPE — and slip and trip prevention runs through it cleanly.

The lesson from prosecutions and incident investigations is that effective slip and trip control is overwhelmingly about the higher layers of the hierarchy. Engineering controls — better surfaces, drainage, lighting, layout — outperform administrative controls (signage, cleaning rotas) by a significant margin. The cheapest place to engineer slip resistance into a workplace is at the design stage, refurbishment, or major maintenance. After that, every retrofit is more expensive and less effective.

Where to start

If your workplace hasn’t had a structured slip and trip review in the last 12 months, the four most useful starting points are:

1. Walk the building at the worst time, not the best. Wet weather, end of shift, peak pedestrian flow, lowest-light conditions. The hazards visible at 11am on a sunny weekday are not the hazards that cause incidents.
2. Pull the incident data. Three years of accident book entries, sickness absence flagged as workplace-related, and any near-miss reports involving slips or trips. Map them onto a floor plan. Hot spots become visible immediately.
3. Audit the floor surface against PTV expectations. A pendulum test by a competent contractor on each suspect surface is inexpensive and gives you the operational measure HSE works to.
4. Connect the maintenance and H&S registers. One spreadsheet, one owner, monthly review. The procedural fix that closes the largest single compliance gap.

For training, the right level depends on the role. IOSH Working Safely is the employee-level course and gives every worker a working understanding of slip, trip and fall risks alongside the wider H&S curriculum. IOSH Managing Safely at supervisor and line-manager level covers the assessment and control duties in more depth. Risk Assessment Training is the right level for those running the assessments themselves. For the full risk-management framework that underpins all of this, see our 5 Steps to Risk Assessment guide.

Where the slip and trip risk is genuinely difficult — multi-site retail, food production, healthcare estate — our consultancy team can scope a structured slip and trip audit and design programme. Call us on +44 (0) 3300 569534 or visit the consultancy page for tailored advice.