Manual Handling Operations Regulations 1992: What MHOR Means for Warehouses

The Manual Handling Operations Regulations 1992 (MHOR) are the UK law that governs lifting, lowering, pushing, pulling, carrying and moving loads at work by hand or bodily force. They sit under the Health and Safety at Work etc. Act 1974 and apply to almost every UK workplace, because almost every workplace involves moving something. This guide explains what MHOR actually requires, what the "guideline weights" do and do not mean, what a manual handling risk assessment covers, and how MHOR relates to the other equipment regulations — PUWER and LOLER — that often get confused with it.

If you are looking for equipment that removes or reduces a specific lift, our guide to manual handling equipment: designing the lift out of the job covers the guideline-weight table in full and matches equipment to the lift you are trying to remove. This page covers the regulations themselves.

What are the Manual Handling Operations Regulations 1992?

The Manual Handling Operations Regulations 1992 (SI 1992/2793) came into force on 1 January 1993 and implement the EU Manual Handling of Loads Directive in Great Britain. They are made under the Health and Safety at Work etc. Act 1974 and are supported by HSE guidance, L23, Manual handling: Manual Handling Operations Regulations 1992 (as amended). Northern Ireland has its own equivalent regulations.

"Manual handling" is defined broadly: Regulation 2 covers "transporting or supporting of a load (including the lifting, putting down, pushing, pulling, carrying or moving thereof) by hand or by bodily force." That covers a single heavy lift, but it equally covers a light box carried fifty times a shift, a trolley pushed across an uneven yard, or a component pulled off a shelf above head height. Weight is only one factor among several.

Who MHOR applies to

The duties fall on employers, who must protect employees from the risk of injury from hazardous manual handling, and on employees, who must follow the systems of work their employer puts in place and use any equipment provided correctly. The regulations apply wherever manual handling happens at work — warehouses and distribution centres, workshops and manufacturing floors, retail stockrooms, construction sites and healthcare settings all fall within scope, because none of them are defined by sector; they are defined by the activity.

Regulation 4: the hierarchy employers must follow, in order

Regulation 4 is the operative duty, and it sets out a fixed three-step hierarchy that has to be worked through in sequence, not picked from:

  1. Avoid hazardous manual handling operations so far as is reasonably practicable — redesign the task, or use mechanical handling instead.
  2. Assess any hazardous operation that cannot be avoided — a suitable and sufficient risk assessment of the handling that remains.
  3. Reduce the risk of injury from that handling so far as is reasonably practicable, and review the assessment when anything relevant changes.

The order matters because it is easy to jump straight to training — "lift with your knees" — when a step-one decision would have removed the hazardous lift altogether. An inspector reading a manual handling policy checks whether avoidance was considered first, not just whether a training record exists.

The guideline weights, and what they are not

HSE publishes guideline weight figures as part of its risk-assessment tools — commonly quoted as around 25 kg for men and 16 kg for women in the single most favourable lifting position: close to the body, at roughly knuckle height, with no twisting or repetition. Move the load away from the body, above shoulder height or below knee height, and the guideline figure drops sharply.

There is no legal maximum weight for manual handling in the UK. MHOR is a risk-based regulation, not a weight-based one. A light load handled awkwardly, repeatedly, or in a poor posture can carry more risk than a heavier load handled once, correctly. A load at or near a guideline figure is a signal to assess further using HSE's MAC (Manual Handling Assessment Charts) or RAPP (Risk Assessment of Pushing and Pulling) tools, not a green light to proceed. Our manual handling equipment guide sets out the full weight table and what it means for each posture.

What a manual handling risk assessment actually covers

HSE's assessment framework is usually shortened to TILE, and it is what Regulation 4's "assess" step means in practice:

  • Task — does it involve twisting, stooping, reaching, repetitive movement, sudden exertion, insufficient rest or recovery, or a work rate imposed by a process?
  • Individual — does the task require unusual capability, put anyone with a health condition at risk, or affect new or expectant mothers? Is training and information needed?
  • Load — is it heavy, bulky, difficult to grip, unstable, unpredictably shifting, or too hot or cold to hold safely?
  • Environment — space constraints, uneven or slippery floors, changes of level, poor lighting, extremes of temperature or ventilation.

Some versions add a fifth factor, other factors, covering personal protective equipment or clothing that restricts movement or posture. The assessment must be recorded where five or more people are employed, under the linked duty in the Management of Health and Safety at Work Regulations 1999, and reviewed when the task, load or environment changes — not filed once and forgotten.

How MHOR relates to PUWER and LOLER

The three regulations are often confused because they overlap on the same equipment, but they answer different questions:

  • MHOR asks: does this task need to involve human lifting, pushing or pulling at all — and if it does, is the risk properly assessed and reduced?
  • PUWER applies once you introduce equipment to answer that question: the pallet truck, stacker or lift table you buy has to be suitable, maintained, inspected where necessary, and used only by people trained on it.
  • LOLER adds a further layer on top of PUWER for equipment that lifts — thorough examination at fixed intervals, safe working loads marked and not exceeded.

Buying a pallet truck does not close the MHOR file; it moves part of the job from Regulation 4's "reduce" step into PUWER's territory, and into LOLER's if the equipment lifts. For a direct side-by-side, see our guide to LOLER vs PUWER: which applies to warehouse equipment.

Equipment that reduces or removes manual handling risk

The "avoid" step in Regulation 4 is usually answered with mechanical handling equipment rather than training. The equipment that most commonly removes a manual handling risk in a warehouse or workshop includes:

  • Pallet trucks — manual and powered — remove the floor-level lift of moving a palletised load, and a weigh-scale pallet truck lets you check a load's weight before anyone commits to moving it by hand.
  • Scissor lift tables bring a load to working height so it can be worked on or transferred without stooping or reaching, which is exactly the "task" factor in a TILE assessment.
  • Pallet stackers add vertical lift on top of horizontal movement, removing the reach-above-shoulder or lift-from-floor elements that push a guideline weight figure down sharply.
  • Electric tugs remove the pushing and pulling element of moving wheeled loads — cages, bins and trolleys — across a yard or between buildings, which is exactly the load RAPP is designed to assess.

None of this removes the duty to assess: Regulation 4 still requires the assessment and the review. What it does is move genuinely hazardous handling out of "reduce by training" and into "avoided by equipment" — the step the regulations ask you to try first.

Training under MHOR: what it requires, and what it doesn't

MHOR does not specify a training syllabus, a refresher interval or a certificate. What Regulation 4 requires is that employees doing hazardous manual handling are given "general indications and, where reasonably practicable, precise information" on the load — its weight, and the heaviest side if the weight is not evenly distributed. In practice that means training on safe lifting technique and load-specific information sits inside the "reduce" step, after avoid and assess have already been worked through — not as a stand-alone compliance measure. Training people to lift a load correctly does not remove the duty to have first asked whether that lift was necessary at all, and it does not substitute for a written risk assessment.

New and expectant mothers get an explicit mention in the regulations: employers must assess risks specific to pregnancy, including manual handling, under the Management of Health and Safety at Work Regulations 1999, and adjust duties or provide alternative work where a risk cannot otherwise be controlled.

Record-keeping and enforcement

There is no MHOR "certificate" in the way LOLER has a thorough examination certificate. What inspectors look for is a documented risk assessment, evidence it has been reviewed when circumstances changed, and evidence that the hierarchy — avoid, assess, reduce — was actually followed in that order, not retrofitted after an incident. The Health and Safety Executive can act under the Health and Safety at Work etc. Act 1974 where duties are not met, and civil claims following a manual handling injury routinely turn on whether a suitable and sufficient assessment existed and was acted on.

This page is a plain-English summary of the duties, not legal advice. For the full regulation text, see legislation.gov.uk, and for HSE's own guidance, see hse.gov.uk.