Marine Licensing Top Tips: Practical Guidance from the Ports Sandbox
A practical, experience-based guide to help applicants understand and navigate the marine licensing process, based on learning from the Ports Sandbox.
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The Marine Licensing Top Tips document provides practical advice to help applicants submit and progress their marine licence applications. It has been developed through the Ports Sandbox, a joint initiative between the Marine Management Organisation (MMO) and the ports sector, working with the UK Major Ports Group (UKMPG).
Designed to complement existing statutory guidance, this resource consolidates key information, advice and insights that are often spread across multiple sources or gained through experience. It follows the marine licensing process step by step, from pre-application engagement through to determination, helping applicants understand what is required at each stage, identify common issues that can lead to delay, and prepare proportionate, well-evidenced applications.
The document follows the stages of the marine licensing process, from early pre‑application discussions through to determination. At each stage, it explains what applicants need to do, what information is commonly required, and where delays can occur. It highlights the importance of early engagement, providing clear and proportionate information, and keeping in regular contact with the MMO and consultees.
The Top Tips place particular emphasis on early engagement, clear and timely communication, and providing complete and appropriate information. They also explain expectations around validation, fee acceptance, consultation and escalation, and highlight approaches that have been shown to work well in practice.
This document is intended to be a living resource. It provides practical guidance while wider changes to marine planning and licensing processes are developed through the Marine Planning and Licensing Programme. The document will be reviewed and updated as needed to make sure it remains clear, accurate and useful.
By improving shared understanding of the marine licensing process, it supports the Ports Sandbox objectives of reducing uncertainty, increasing transparency, and enabling applications to move through the system more smoothly for the benefit of applicants, regulators and the wider ports sector.
Document descriptions
Marine Licensing Top Tips
Practical advice and shared learning from the Ports Sandbox to help applicants prepare and progress marine licence applications more smoothly.
Pre‑application Engagement Decision Tree
A step‑by‑step tool to help you decide whether you should contact the MMO before submitting a marine licence application.
Marine Licensing Process Flowchart
An overview of the marine licensing process, showing each stage and where applicant input and information are required.