UK Work at Height Regulations Summary

Overview

The Work at Height Regulations 2005 (SI 2005/735), as amended by SI 2007/114, are the principal regulations governing work at height in Great Britain. They replaced a patchwork of older provisions, including parts of the Construction (Health, Safety and Welfare) Regulations 1996, with a single consolidated framework. The regulations are made under the Health and Safety at Work etc. Act 1974 and are enforced by the Health and Safety Executive (HSE).

Falls from height remain one of the leading causes of workplace fatalities and serious injuries in the UK. HSE statistics consistently show that falls from height account for a significant proportion of fatal injuries across all industries, with construction, agriculture, and building maintenance being particularly high-risk sectors.

The regulations apply across all industries where work at height takes place. Under Regulation 2(1), "work at height" means work in any place — including a place at, above, or below ground level — where a person could fall a distance liable to cause personal injury. There is no minimum height threshold. A fall from standing height onto a hard surface or through a fragile roof at any height can be fatal.

Duty Holders

Regulation 3 imposes duties on three categories of duty holder: employers, the self-employed, and any person who controls the work of others to the extent of their control. This means that clients, principal contractors, and facilities managers may all hold duties under the regulations if they control or direct work at height activities.

The duty holder must ensure that work at height is properly planned and organised (Regulation 4), carried out by competent persons (Regulation 5), and that the appropriate work equipment is selected and used (Regulations 6 and 7). These duties are non-delegable: a duty holder cannot discharge their responsibility by simply instructing a subcontractor to "work safely."

For employees, the Management of Health and Safety at Work Regulations 1999 impose a parallel duty to cooperate with their employer and to use equipment in accordance with training and instructions. The Work at Height Regulations build on this general framework with specific requirements for height-related risks.

The Hierarchy of Controls

The hierarchy of controls is the central organising principle of the regulations. Regulation 6 establishes a three-step hierarchy that must be followed in order:

1. Avoid work at height where it is reasonably practicable to do so. This means considering whether the task can be carried out from ground level — for example, using extendable tools to clean gutters, assembling components at ground level before lifting them into position, or designing buildings with maintenance access that does not require working at height.
2. Prevent falls by using work equipment or other measures where work at height cannot be avoided. Collective protection measures — such as guardrails, scaffolds, or mobile elevated work platforms (MEWPs) — take priority. The aim is to make it physically impossible for a person to fall.
3. Minimise the distance and consequences of a fall where the risk of a fall cannot be eliminated. This includes safety nets, airbags, and personal fall protection systems such as harnesses with lanyards. These measures accept that a fall may occur and seek to reduce the harm.

A duty holder must not move to a lower level of the hierarchy without first establishing that the higher level is not reasonably practicable. Using a harness when a guardrail would have sufficed is a breach of the regulations.

Planning and Organisation

Regulation 4 requires that all work at height is properly planned, appropriately supervised, and carried out in a manner that is, so far as is reasonably practicable, safe. Planning is not a formality — it must address the specific risks of the task.

The planning process must include consideration of:

• Weather conditions — work at height must not proceed in conditions that could jeopardise health or safety, including high winds, rain, ice, or poor visibility.
• The condition of surfaces — where a person might work or pass over, including fragile surfaces, wet or slippery surfaces, and unstable ground.
• Emergency and rescue procedures — planning must include arrangements for emergencies. A fall arrest system is only effective if there is a plan to rescue a person who has been arrested in a harness, since suspension trauma can be fatal within minutes.
• The selection of equipment — which must be suitable for the nature of the work, the foreseeable loading, and the environment in which it will be used.

The plan must be proportionate to the complexity of the work. A brief task on a stepladder requires a simpler plan than erecting scaffolding on a multi-storey construction site, but both require planning.

Competence

Regulation 5 states that no person shall engage in any activity in relation to work at height, including planning, supervision, and the work itself, unless that person is competent to do so or, if being trained, is supervised by a competent person.

Competence is not defined by a specific qualification. It requires a combination of practical and theoretical knowledge, experience of the type of work being undertaken, and the ability to recognise the risks and apply the appropriate controls. For complex tasks — such as scaffold erection, installation of safety nets, or inspection of fall protection equipment — specific training and certification is expected. Industry schemes such as PASMA (for mobile access towers) and CISRS (for scaffolding) provide recognised training pathways.

Selection of Work Equipment

Regulation 7 requires the duty holder to select work equipment for work at height that is the most suitable for the task. The selection must give collective protection priority over personal protection. A risk assessment informs the choice, taking into account:

• The working conditions and risks to safety at the place where the equipment is to be used.
• The distance and consequences of a potential fall.
• The duration and frequency of use.
• The need for easy and timely evacuation and rescue in an emergency.
• Any additional risk posed by the use, installation, or removal of the equipment itself.

Schedules 2 through 5 of the regulations set out detailed requirements for specific categories of equipment. These schedules provide the minimum standards that must be met when using guardrails, scaffolds, nets, and personal fall protection.

Guardrails and Edge Protection

Schedule 2 sets out requirements for guard-rails, toe-boards, barriers, and similar collective safeguards. Where a person could fall, guardrails or other barriers must be provided. Guardrails must be at a sufficient height — at least 950mm — and must include intermediate rails or other means to prevent a person falling through the gap between the top rail and the platform edge. Toe boards of at least 150mm in height are required to prevent materials and tools from falling.

Scaffolding

Scaffolding is one of the most commonly used forms of collective protection for work at height. Schedule 3 (Part 1) requires that scaffolds are of sufficient strength and rigidity, erected and dismantled under the supervision of a competent person, and that scaffold components are inspected before use. Scaffolds supporting platforms must not be erected, substantially altered, or dismantled without the supervision of a competent person, and the workers carrying out the work must have received appropriate task-specific training.

Ladders

Schedule 6 addresses the use of ladders for work at height. Ladders may only be used as a workplace where a risk assessment has shown that the use of more suitable work equipment is not justified because of the low risk and short duration of the task, or because of features of the site that cannot reasonably be altered. A ladder must be stable during use — secured where practicable, or footed by another person where securing is not possible. A ladder user must always have a handhold and a secure standing position. Ladders should not be used for heavy or strenuous work, or where the user would need to carry heavy or bulky loads.

Personal Fall Protection

Personal fall protection systems — including work restraint, work positioning, fall arrest, and rope access systems — are governed by Schedule 5. These systems are appropriate only where collective protection is not reasonably practicable. Fall arrest equipment must limit the force transmitted to the user in the event of a fall, and the system must be designed so that the user cannot strike the ground or any other obstacle during a fall. Anchorage points must be capable of sustaining the loads imposed during a fall arrest. For a comparison with US requirements, see OSHA fall protection standards, which specify different trigger heights and anchorage strength criteria.

Fragile Surfaces

Regulation 9 addresses the particular danger of fragile surfaces, which are responsible for a disproportionate number of fatal falls in the UK — particularly in agriculture and building maintenance, where workers may step onto fragile rooflights, asbestos cement sheets, or deteriorated roofing materials. Work on roofs may also introduce confined space considerations where access is through enclosed roof voids or plant rooms.

Regulation 9 requires that no person shall pass across, work on, or work near a fragile surface unless that is the only reasonably practicable way of carrying out the work. Where work on or near a fragile surface is unavoidable, the duty holder must ensure that suitable platforms, coverings, guardrails, or other measures are in place to prevent any person falling through the surface. Warning signs must be prominently displayed where a fragile surface exists.

Where it is not reasonably practicable to prevent a fall through a fragile surface, the duty holder must minimise the distance and consequences of any such fall — for example, by erecting safety nets beneath the surface.

Falling Objects

Regulation 10 requires the duty holder to take steps, where reasonably practicable, to prevent the fall of any material or object from a height. This includes securing tools, materials, and debris, and using toe boards, brick guards, netting, or sheeting on scaffolds and working platforms.

Where it is not reasonably practicable to prevent objects from falling, the duty holder must take suitable and sufficient steps to prevent any person from being struck. This typically involves exclusion zones at ground level below the working area, covered walkways, or other physical barriers to protect people below.

No material or object may be thrown or tipped from height where it could cause injury. Debris chutes, hoists, and other controlled lowering methods must be used.

Inspection of Work Equipment

Regulation 12 requires that any working platform used for construction work from which a person could fall two metres or more must be inspected in place before being used for the first time. It must also be inspected after any substantial addition, dismantling, or alteration; after any event that is liable to have affected its strength or stability (such as severe weather); and at regular intervals not exceeding seven days since the last inspection.

The inspection must be carried out by a competent person, and a written report must be prepared. The report must be provided to the person on whose behalf the inspection was carried out within 24 hours. Reports must be kept on site until the work is completed, and then retained for three months after that. Where an inspection reveals a matter that could give rise to danger, the equipment must not be used until the defect is remedied.

Personal fall protection equipment — harnesses, lanyards, connectors, and anchorage devices — must also be inspected before each use by the person wearing it, and must be subject to periodic detailed examination in accordance with the manufacturer's instructions, typically at intervals of six or twelve months.