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RIDDOR Explained: What It Stands For and When to Report

What does RIDDOR stand for? RIDDOR stands for the Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 2013. This UK health and safety legislation requires employers to report specific workplace incidents to the Health and Safety Executive (HSE), helping to create safer working environments across Britain.

Understanding RIDDOR is about protecting your workforce and contributing to national safety data that saves lives. Whether you're a business owner, safety manager or employee, this guide will explain everything you need to know about RIDDOR reporting requirements.


What Is RIDDOR and Why Does It Matter?


RIDDOR is UK legislation that creates a legal framework for reporting work-related accidents, injuries, diseases, and dangerous occurrences. The current regulations, known as RIDDOR 2013, came into force on 1 October 2013, replacing the previous RIDDOR 1995 regulations.

RIDDOR Reporting_UK Workplace

The primary purposes of RIDDOR include:

  • Data Collection: Providing statistical information about workplace accidents and ill health across the UK

  • Risk Identification: Helping authorities identify where and how workplace risks arise

  • Investigation: Enabling HSE and local authorities to investigate serious incidents

  • Prevention: Focusing resources on areas where they're most needed to prevent future incidents

The regulations apply to all employers, self-employed individuals and those in control of work premises across every industry sector in the UK.


Who Must Report Under RIDDOR?


The "responsible person" under RIDDOR regulations includes:

  • Employers of any size across all sectors

  • Self-employed individuals carrying out work activities

  • Those in control of premises where work activities take place

  • Main contractors on construction projects

It's important to note that only the responsible person should submit RIDDOR reports, multiple reports for the same incident can cause confusion and administrative burden.


What Must Be Reported Under RIDDOR?


RIDDOR requires reporting of four main categories of workplace incidents:


1. Fatal Accidents

All work-related deaths must be reported immediately, regardless of how long after the accident the death occurs.


2. Specified Injuries

The following serious injuries must be reported when they result from a work-related accident:

  • Any fracture other than to fingers, thumbs or toes

  • Amputations

  • Any injury likely to lead to permanent loss of sight or reduction in sight

  • Crush injuries to the head or torso causing damage to the brain or internal organs

  • Serious burns covering more than 10% of the body or causing significant damage to vital areas

  • Scalping requiring hospital treatment

  • Loss of consciousness caused by head injury or asphyxia

  • Any other injury arising from working in an enclosed space requiring resuscitation or hospital admission for more than 24 hours


3. Over-Seven-Day Injuries

Injuries where an employee or self-employed person cannot carry out their normal work duties for more than seven consecutive days (not counting the day of the accident).


4. Dangerous Occurrences

Specific incidents with the potential to cause significant harm (PSIF), even if no injury occurred. Examples include:

  • Structural collapses

  • Explosions or fires

  • Chemical releases

  • Gas incidents

  • Electrical incidents causing explosion or fire

  • Biological agents causing illness


5. Occupational Diseases

Certain work-related diseases diagnosed by a registered medical practitioner, including:

  • Occupational asthma

  • Dermatitis

  • Hand-arm vibration syndrome

  • Occupational cancer

  • Disease attributed to exposure to biological agents

  • Lung diseases including pneumoconiosis


When to Report: Critical Timescales


Immediate Reporting Required:

When to report RIDDOR
  • Fatal accidents

  • Specified injuries

  • Dangerous occurrences

Report Within 10 Days:

  • Over-seven-day injuries

  • Occupational diseases

Missing these deadlines can result in enforcement action and penalties.


How to Report RIDDOR Incidents


Online Reporting (Preferred Method)

The HSE's online reporting system at www.hse.gov.uk/riddor is the quickest and most efficient method for most incidents.


Telephone Reporting

For fatal and specified major injuries only:

  • HSE Incident Contact Centre: 0345 300 9923

  • Operating hours: Monday to Friday, 8:30am to 5pm


What Information You'll Need

When making a RIDDOR report, ensure you have:

  • Date, time and location of incident

  • Details of injured person (name, age, job role)

  • Description of what happened

  • Nature of injury or dangerous occurrence

  • Contact details of the responsible person


Record Keeping Requirements


Beyond reporting, RIDDOR requires maintaining records of all reportable incidents for at least three years. Records must include:

  • Date and method of reporting

  • Date, time and place of incident

  • Personal details of affected individuals

  • Brief description of nature of incident and injury

Records can be kept electronically or on paper but must be readily accessible for inspection.


Record Keeping RIDDOR

What's NOT Reportable Under RIDDOR


Understanding what doesn't require reporting is equally important:

  • Minor cuts and bruises

  • Muscle strains from gradual exposure (not sudden incidents)

  • Stress-related conditions (unless specific occupational diseases)

  • Self-inflicted injuries

  • Injuries occurring during normal travel to and from work

Remember: incidents may still need recording in your accident book even if they're not RIDDOR reportable.


Industry-Specific Considerations


Construction Accident Reporting

Construction Industry

Construction has additional dangerous occurrences requirements, including incidents involving lifting equipment, false work collapse and electrical incidents.


Healthcare Settings

Healthcare often involves uncertainty around patient-related incidents. Only incidents affecting staff or where patients are injured due to work activities require reporting.


Schools and Educational Settings

School incidents involving pupils are only reportable if they result from work activities or health and safety failures in maintenance/premises management.


Common RIDDOR Reporting Mistakes


Avoid these frequent errors:

  • Reporting incidents that don't meet the criteria

  • Missing reporting deadlines

  • Submitting multiple reports for the same incident

  • Failing to maintain proper records

  • Confusing RIDDOR reporting with insurance claims


The Business Benefits of RIDDOR Compliance


Proper RIDDOR compliance delivers:

  • Legal Protection: Avoiding prosecution and financial penalties

  • Improved Safety Culture: Enhanced awareness and prevention focus

  • Insurance Benefits: Supporting claims and demonstrating due diligence

  • Reputation Management: Showing commitment to employee welfare

  • Data-Driven Improvements: Using incident data to prevent future occurrences


Recent Changes and Updates


RIDDOR 2013 simplified previous requirements by:

  • Replacing "major injuries" with a clearer "specified injuries" list

  • Reducing industrial disease categories from 47 to 8

  • Streamlining dangerous occurrence reporting

  • Maintaining the same reporting timescales and methods


Getting Expert Support


Understanding when and how to report under RIDDOR can be complex. Professional guidance helps to meet compliance while avoiding unnecessary reporting that wastes resources.

At Duo Dynamic Safety Solutions, we provide support for RIDDOR compliance and accident investigation services. We help organisations understand their obligations, implement effective reporting procedures and conduct thorough incident investigations that prevent recurrence.

RIDDOR Support

Our services include:

Download Your Free RIDDOR Checklist


To help ensure you never miss a reporting requirement, we've created a comprehensive RIDDOR checklist covering:

  • ✅ Incident assessment criteria

  • ✅ Reporting timescales and methods

  • ✅ Required information checklist

  • ✅ Record keeping requirements

  • ✅ Common exemptions and exclusions

Download your free RIDDOR reporting checklist to keep your organisation compliant and your workforce protected.


Key Takeaways


RIDDOR stands for the Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 2013. Compliance requires understanding what incidents are reportable, meeting timescales and maintaining records.

The regulations contribute to national safety data that helps prevent workplace accidents and saves lives across British industry.


Remember the essentials:

  • Fatal accidents and specified injuries require immediate reporting.

  • Over-seven-day injuries and occupational diseases must be reported within 10 days.

  • Records must be kept for at least three years.

  • Only the responsible person should submit reports.

  • Professional support can ensure compliance and improve safety outcomes.


Don't let RIDDOR compliance become a burden. With understanding and the right support, reporting requirements become a valuable tool for protecting your workforce and building a stronger safety culture.


Need expert guidance on RIDDOR compliance or accident investigation? Contact us today. We provide solutions that keep your organisation compliant while improving workplace safety.


Contact us for professional RIDDOR support or learn more about our accident investigation services.

Aug 2

5 min read

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