# How to Design a Protect Duty Festival Layout

> Plan Martyn's Law-compliant festival layouts with OnePlan. Map security zones, pass SAG approval, and meet Protect Duty requirements with ease.

**Published:** 2026-09-23 | **Updated:** 2026-11-06 | **Author:** oneplansync
**URL:** https://www.oneplan.io/articles/protect-duty-festival-layout
**Type:** post

**Categories:** Event safety and compliance

![How to Design a Protect Duty Festival Layout](https://oneplan.sites.aigrowthagent.co/wp-content/uploads/sites/80/2026/09/1788789065890-2141867f663f-1024x572.webp)

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## Content

*Written by: Paul Foster, Founder, CEO, OnePlan*

## Key Takeaways

- Martyn’s Law (Terrorism (Protection of Premises) Act 2025) requires festivals expecting 800+ people to implement and document physical security measures as Enhanced Tier qualifying events.
- A compliant festival layout integrates five security zones from the first draft: perimeter and access control, screening and search, crowd management, evacuation and invacuation, and communications and surveillance.
- Security elements such as screening lanes, evacuation routes, and command posts must appear to scale on a live map. Late additions undermine both safety and compliance.
- Digital planning tools support accurate crowd capacity calculations, queue modeling, and auto-generated Bills of Quantities that create defensible documentation for SAG and SIA submissions.
- OnePlan provides to-scale planning tools and collaboration features for Martyn’s Law requirements. [Book a demo today](https://www.oneplan.io/book-demo/?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent) to see how it streamlines Protect Duty compliance.

## How Martyn’s Law Changes Festival Site Layouts

Martyn’s Law is the informal name for the [Terrorism (Protection of Premises) Act 2025](https://www.gov.uk/government/consultations/protect-duty), which received Royal Assent on 3 April 2025. Named in memory of Martyn Hett, one of the 22 people killed in the 2017 Manchester Arena attack, the legislation requires publicly accessible locations to take proportionate steps to protect the public from terrorist threats.

The Act uses a two-tier structure based on the number of people reasonably expected to be present at the same time. This count includes staff, contractors, and volunteers as well as ticket-holders.

- **Standard Tier (200–799 people):** Dutyholders must have appropriate public protection procedures in place, including evacuation, invacuation, lockdown, and communication plans. They are not required to make physical alterations or install equipment solely to comply.
- **Enhanced Tier (800+ people):** Dutyholders must also implement and document physical public protection measures that reduce vulnerability to terrorism, notify the Security Industry Authority (SIA), and submit a compliance document.

A festival is a [qualifying event](https://www.protectuk.police.uk/martyns-law) if it has a well-defined, secure perimeter with entry checks that meaningfully control access, such as ticket gates, and reasonably expects 800 or more people at the same time. Qualifying events are always treated as Enhanced Tier, regardless of the venue’s usual status.

This framework has a direct impact on your festival site plan. Perimeter definition, access control, screening, evacuation routing, and communications infrastructure now sit at the core of the layout. They belong in the first draft alongside stages, concessions, and amenities. The [SIA’s guidance and advice functions commenced on 15 June 2026](http://oneplan.io/blog/how-oneplan-enables-better-safety-at-venues-ahead-of-martyns-law?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent), and full enforcement is expected from spring 2027, giving organizers a defined window to refine their plans.

## Five Security Zones to Build Into Your Site Plan

A Protect Duty festival layout rests on five integrated security zones. Each zone follows clear placement logic that must appear on your to-scale site plan.

1. **Perimeter and Access Control:** The outer boundary must use temporary fencing or equivalent measures to create a secure perimeter, which is the legal prerequisite for qualifying-event status. Within that perimeter, separate entry and exit points reduce bidirectional flow bottlenecks. Barriers and standoff points at vehicle access locations mitigate vehicle-ramming threats. General admission entrances should remain distinct from staff, artist, and contractor access points. Emergency vehicle access routes need to appear as fixed, named routes on the plan and must remain clear and passable throughout the event.
2. **Screening and Search Areas:** Bag checks and security searches should sit inside the perimeter but before the main crowd areas. This positioning keeps prohibited items away from the crowd while containing the screening process. Queuing lanes must be wide enough to handle peak ingress without spilling into main thoroughfares or blocking emergency corridors. Use OnePlan’s [arrival calculator](https://calculators.oneplan.io/arrival?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent) to estimate queue length and queue time for ticket-check and screening operations before fixing a lane configuration.
3. **Crowd Management and Queuing:** Crowd barriers guide flow at predictable pinch points such as stage fronts, bar queues, and toilet clusters. Queuing zones should never obstruct emergency access routes. Main walkways need enough width for peak flow. OnePlan’s crowd capacity calculator lets you outline each zone and instantly see its standing capacity, which supports defensible spacing decisions before event day.
4. **Evacuation and Invacuation Routes:** Clear, unobstructed evacuation routes must lead to assembly points outside the perimeter. Separate safe areas for invacuation support sheltering in place during external threats. Mark both on the site plan with named routes rather than implied gaps. Different threats require different movements: evacuation for internal threats, invacuation for external threats, and lockdown for active threats. Your plan should show how each scenario works in practice.
5. **Communications and Surveillance:** A command post with a clear sightline across the site supports real-time decision-making. Ideally, it sits near the main entrance. Mark CCTV coverage, public address (PA) speakers, and first aid stations on the plan. These elements should sit in visible, accessible sectors of the layout rather than in a remote corner. Use OnePlan’s [exit calculator](https://calculators.oneplan.io/exit/calculator?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent) to model exit width, crowd size, and flow rate when planning egress capacity.

All five zones belong in the overall site plan from the initial design phase. Late integration often forces compromises on safety, capacity, and compliance.

## Seven Steps From Risk Assessment to To-Scale Layout

This seven-step process takes you from initial risk assessment to a final, compliant, to-scale festival site plan ready for SAG submission.

1. **Conduct a Risk Assessment:** Identify potential threats and vulnerabilities specific to your event and site. Consider venue access points, blind spots, crowd density hotspots, vehicle approach routes, and documented threat history. The [Martyn’s Law statutory guidance](https://www.gov.uk/government/consultations/protect-duty) requires a methodology that is reasonable, evidenced, and defensible. Record your findings, as this document forms the foundation of your SIA compliance submission.
2. **Survey the Site:** Gather accurate measurements, existing infrastructure details, and access point locations. A live map tool helps you validate distances and layouts from your desk before site visits. Teams using OnePlan have [cut site visits by up to 75%](https://www.oneplan.io/case-studies/how-the-tour-of-britain-was-planned-in-oneplan/?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent) by measuring and planning remotely on up-to-date satellite maps before finalizing details on the ground.
3. **Define Security Zones:** Use your risk assessment to decide where each zone will sit on the site, including perimeter, screening, crowd management, evacuation, and communications. Document this decision-making, including the rationale for measures you select or reject. Martyn’s Law guidance expects evidence of a structured, risk-based approach rather than a generic checklist.
4. **Create a To-Scale Base Map:** Use a digital planning tool to build an accurate, to-scale map of the site on a live satellite or street map. This map becomes the single source of truth for security, police, fire, and SAG stakeholders. A to-scale base map removes the guesswork that comes from planning on screenshots or static PDFs.
5. **Place Infrastructure and Security Elements:** Drag and drop barriers, fencing, screening tents, the command post, CCTV positions, PA speakers, first aid stations, and vehicle access points onto the map, keeping every element to scale. OnePlan’s library of thousands of event-specific objects, including crowd barriers, temporary fencing, and security personnel dots, supports accurate builds without specialist software.
6. **Plan Crowd Flow and Evacuation:** Use crowd capacity and flow tools to model ingress, egress, and evacuation. Outline each crowd zone and calculate its standing capacity. Model screening lanes with the arrival calculator. Confirm that evacuation routes remain unobstructed and wide enough for emergency vehicle access. The auto-generated Bill of Quantities converts every barrier and fence segment on the map into an exportable inventory, so you know exactly how much infrastructure to order.
7. **Review and Collaborate:** Share the plan with security leads, police, fire service, and SAG members for feedback before the meeting. Real-time collaboration in OnePlan keeps every department on the same live plan instead of chasing the latest emailed version. Export a high-resolution, print-ready map for your SAG submission pack.

[Start your first event free in OnePlan and explore the layout tools in a 15-minute demo.](https://www.oneplan.io/book-demo/?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent)

## Annotated Example: How a Compliant Layout Fits Together

The annotated example below shows how the five security zones can work together on a typical festival site.

![Festival planning example inside OnePlan: the base layer is a zoomable satellite or street map, and everything placed on it (tents, stages, crowd barriers, toilets, vehicles, staff, signage, routes) stays accurately to scale as you zoom](https://cdn.aigrowthmarketer.co/1780620510054-c5429587ebad.png)**Festival planning example inside OnePlan: the base layer is a zoomable satellite or street map, and everything placed on it (tents, stages, crowd barriers, toilets, vehicles, staff, signage, routes) stays accurately to scale as you zoom**

- A rectangular field forms the site, with the main entrance at the bottom center and a vehicle access point to the left, separated by barriers and a standoff zone.
- A continuous line of temporary fencing marks the outer perimeter.
- Immediately inside the entrance, two parallel screening lanes include bag-check tables and security search positions before the crowd area begins.
- The main crowd area occupies the center of the field, with the primary stage at the top and secondary stages plus food and beverage zones to the left and right.
- Crowd barriers channel flow at pinch points around stages, bars, and toilets.
- Evacuation routes appear as clearly labeled arrows leading to assembly points outside the perimeter at the bottom-left and bottom-right corners.
- A command post near the entrance has a clear sightline across the site, with CCTV coverage zones shown as overlapping circles.
- First aid stations sit in several positions across the site rather than in a single cluster.
- Emergency vehicle access routes run along the left and right edges of the site as named, fixed corridors.

This description is illustrative. Actual layouts must follow a site-specific risk assessment and reflect the venue, crowd profile, and event programme.

## Protect Duty Compliance Checklist for SAG

Use this checklist to prepare documentation for SAG submission and show Protect Duty compliance.

- Risk assessment completed, documented, and reviewed for the current event format and site configuration.
- Capacity methodology documented, including how the greatest number of people reasonably expected at the same time was calculated, including staff, contractors, and volunteers.
- Responsible person identified and named in compliance documentation.
- Perimeter and access control measures in place and reflected in the to-scale site plan.
- Screening and search areas designated inside the perimeter and before main crowd areas.
- Evacuation and invacuation routes clearly marked as named, fixed routes on the plan and confirmed unobstructed.
- Lockdown and communication procedures documented and assigned to named roles.
- Command post, CCTV positions, PA speaker locations, and first aid stations marked on the plan.
- Emergency vehicle access routes verified for width and load-bearing capacity.
- Staff and contractors briefed on their roles in each procedure.
- Compliance document prepared for SIA notification, including an assessment of how measures reduce terrorism vulnerability.
- To-scale site plan exported at high resolution for the SAG submission pack.

## Frequent Planning Pitfalls to Watch For

Festival organizers often encounter similar planning issues when updating layouts for Protect Duty compliance. Addressing them early prevents major rework.

- **Late Integration of Security Zones:** Security zones added at the end often result in narrow screening lanes, partially blocked evacuation routes, or a command post with poor visibility. Build all five security zones into the initial site plan.
- **Underestimating Crowd Flow at Pinch Points:** Peak ingress at screening lanes and peak density at stage fronts are predictable. Use the arrival and exit calculators to model these scenarios before finalizing lane widths and barrier configurations.
- **Poor Sightlines for Security Personnel:** A command post behind a stage or in a corner cannot monitor crowd density or coordinate an emergency response effectively. Position it near the main entrance with an unobstructed view of the site.
- **Static Plans That Do Not Reflect Site Changes:** A risk assessment written once and filed remains a document, not an active control. Martyn’s Law guidance requires the compliance document to be reviewed and updated before each event or whenever significant changes occur. Use a live, collaborative plan as the single source of truth so every change appears for every stakeholder.
- **Treating SAG Submission as the End Point:** The SAG is an advisory body that reviews and challenges your plan but does not license the event or transfer legal duty. The responsible person retains the compliance obligation throughout. A plan that satisfies SAG must also work for the team delivering the event on the day.

## Why OnePlan Works for To-Scale Festival Layouts

The planning tool you choose directly affects the quality of your compliance documentation. PowerPoint, Excel, Canva, Photoshop, Google Maps, and static screenshots produce layouts that are not to scale. Objects do not fit the space accurately, crowd capacity figures rely on guesswork, and plans fragment into emailed versions that different departments maintain separately. CAD software delivers precision but often requires specialist training and significant budget.

OnePlan sits between these two extremes. It is as easy to pick up as a non-specialist tool, as accurate as engineering software, and built specifically for event site planning. The base layer is a live, zoomable satellite or street map built on leading GIS technology. Every object placed on it, including temporary fencing, crowd barriers, screening tents, the command post, CCTV positions, and first aid stations, stays accurately to scale as you zoom. The area and perimeter calculator instantly returns the size of any outlined space. The standing crowd capacity calculator lets you outline any zone and see its capacity based on a selectable density, which supports defensible figures for your SAG submission. The auto-generated Bill of Quantities converts every barrier and fence segment on the map into an exportable inventory, so you know exactly how much infrastructure to order.

**With OnePlan, you can place barriers, tents, and more inside its integrated, live planning tool**

[SoulFest](https://www.oneplan.io/case-studies/soulfest-oneplan-how-oneplan-is-helping-small-teams-plan-large-events/?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent), one of New England’s largest music festivals, [cut planning time by 85%](https://www.oneplan.io/case-studies/soulfest-oneplan-how-oneplan-is-helping-small-teams-plan-large-events/?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent) and built almost its entire site map within two days after switching to OnePlan. The [Silverstone](https://www.oneplan.io/case-studies/how-silverstone-planned-the-british-grand-prix-in-oneplan/?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent) team uses OnePlan as its single source of truth across more than 50 events a year, with role-based access for external partners and the Bill of Quantities to coordinate 9,000 contractors, achieving a [13x ROI and a 10% reduction in planning days](https://www.oneplan.io/case-studies/how-silverstone-planned-the-british-grand-prix-in-oneplan/?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent).

OnePlan is free for your first event, up to 25 objects, so you can start placing objects on a live map within seconds without an engineering background.

[Start your first event free at OnePlan and see how it supports Protect Duty compliance in a 15-minute demo.](https://www.oneplan.io/book-demo/?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent)

## How to Measure a Successful Protect Duty Layout

A Protect Duty-compliant festival layout functions as a system that performs on event day, not only as a document. Track these indicators to assess performance.

- Fewer bottlenecks at screening lanes and pinch points during peak ingress.
- Smoother SAG approval process with fewer revision requests.
- Clear, consistent communication with police, fire, and medical stakeholders working from the same live plan.
- Reduced planning time and fewer site visits compared to previous events.
- Accurate infrastructure orders with minimal surplus or shortfall, validated by the Bill of Quantities.
- Successful event-day execution with evacuation and invacuation routes confirmed clear and functional.

Track planning time saved, number of plan revisions, and stakeholder feedback across events. These metrics build an evidence base that shows your compliance approach is proportionate, evidenced, and improving, which aligns with Martyn’s Law guidance.

## Advanced Planning Practices and Next Steps

Once your core Protect Duty festival layout process is in place, you can strengthen it further with these practices.

- **Reusable Templates for Recurring Events:** If your festival runs annually at the same site, save your compliant layout as a template in OnePlan. Each year’s plan then starts from a verified, to-scale base rather than a blank map, with security zones already positioned and ready to review against the updated risk assessment.
- **Scenario Planning for Different Threat Levels:** Build separate layout layers for different operational scenarios, including standard operations, elevated threat, and full lockdown. Your team can then switch between them quickly during an incident without rebuilding the plan under pressure.
- **Post-Event Reviews to Refine the Layout:** Treat the risk assessment as a living document. After each event, debrief against the plan. Identify which zones performed as expected, where crowd flow deviated, and what you would change. Update the plan before the next event cycle begins.
- **SIA Notification Preparation:** For qualifying events, notification to the SIA must meet the 14-day deadline mentioned earlier. Build this milestone into your event planning timeline and ensure your compliance document, including the capacity methodology, named responsible person, and assessment of measures, is ready before that trigger point.

## FAQ

### What Is Protect Duty (Martyn’s Law)?

Protect Duty is the informal name for the Terrorism (Protection of Premises) Act 2025, which received Royal Assent on 3 April 2025. It requires venues and events that are publicly accessible and expect 200 or more people to be present at the same time to take proportionate steps to protect the public from terrorist threats. The law is named after Martyn Hett, who was killed in the 2017 Manchester Arena attack. Full enforcement is expected from spring 2027, following a minimum 24-month implementation period. The Security Industry Authority (SIA) is the designated regulator.

### What Is the 800-Person Threshold and How Does It Affect My Festival?

The 800-person threshold triggers Enhanced Tier obligations under Martyn’s Law. If your festival has a well-defined, secure perimeter with entry checks, such as ticket gates, and reasonably expects 800 or more people to be present at the same time, including staff, contractors, and volunteers, it is a qualifying event and is automatically treated as Enhanced Tier. You must implement and document physical public protection measures, notify the SIA within the timeframe referenced earlier, and submit a compliance document assessing how your measures reduce terrorism vulnerability. The 800-person count is based on the greatest number reasonably expected at any point during the event rather than the venue’s theoretical maximum capacity.

### How Do I Plan Security for a Festival Under Martyn’s Law?

Begin with a documented risk assessment that identifies threats and vulnerabilities specific to your site and event profile. From that assessment, define your five core security zones, including perimeter and access control, screening and search, crowd management, evacuation and invacuation, and communications and surveillance. Integrate them into your site plan from the initial design phase. Create a to-scale site plan that reflects all five zones accurately, model crowd flow and evacuation capacity using planning tools, and share the plan with security, police, fire, and SAG stakeholders before your submission meeting. Document your rationale for every measure selected or rejected, as Martyn’s Law guidance requires evidence of a structured, risk-based approach.

### Do I Need a To-Scale Site Plan for SAG Approval?

Yes. A clear, to-scale map showing all security measures, including perimeter, access control, screening areas, evacuation routes, the command post, CCTV positions, and first aid stations, is essential for demonstrating compliance at a SAG meeting. Plans produced in non-specialist tools such as PowerPoint or static screenshots are not to scale and cannot accurately represent crowd capacity, zone dimensions, or emergency route widths. A to-scale plan produced on a live map is the standard that police, fire, and SAG members expect to review and forms the basis of your SIA compliance documentation.

### How Can OnePlan Help Me Create a Compliant Protect Duty Festival Layout?

OnePlan lets you build a to-scale, collaborative festival site plan on a live satellite or street map, with drag-and-drop objects for every element of your security layout, including temporary fencing, crowd barriers, screening tents, the command post, CCTV positions, first aid stations, and staff dots. The standing crowd capacity calculator lets you outline any zone and instantly see its safe capacity. The arrival and exit calculators help you model ingress queue times and egress flow before finalizing lane configurations. The auto-generated Bill of Quantities turns every object on the map into an exportable inventory for procurement and SAG documentation. Multiple stakeholders, including security leads, police, fire, and SAG members, can work from the same live plan simultaneously, and you can export a high-resolution, print-ready map for your submission pack. Your first event is free, with no engineering background required.

## Read Next

- [Festival Barrier Placement Guide for Safer Events](https://oneplan.io/articles/festival-barrier-placement-guide?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent)
- [How to Create a Festival Site Plan That Gets Approved](https://oneplan.io/articles/city-festival-site-plan-permit?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent)
- [How to Create a City Festival Layout Map](https://oneplan.io/articles/city-festival-layout-map?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent)
- [Crowd Safety Plan Template for Outdoor Festivals](https://oneplan.io/articles/crowd-safety-plan-template-festival?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent)
- [Event Site Plan Template for City Festival Permits](https://oneplan.io/articles/event-site-plan-template?utm_term=protect-duty-festival-layout&utm_campaign=ai_growth_agent)

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---

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## Citations

- [PowerPoint Alternatives for Emergency Access Maps](https://www.oneplan.io/articles/best-powerpoint-alternatives-emergency-maps)
- [Canva Alternatives for Emergency Access Planning Maps](https://www.oneplan.io/articles/best-canva-alternatives-emergency-maps)
- [Does Martyn’s Law Apply in the US? What Venues Face Instead](https://www.oneplan.io/articles/does-martyns-law-apply-us)
- [Martyn’s Law for Council Events: A Portfolio-Scoping Guide](https://www.oneplan.io/articles/martyns-law-city-council-events)
- [Martyn’s Law: The Evidence Playbook for UK Venues and Events](https://www.oneplan.io/articles/martyns-law-compliance-guide)

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