Permit Duration Estimator
Estimate the right validity period for your permit based on work type, complexity, and HSE guidance. Avoid open-ended permits.
A permit should never be open-ended: HSG250’s model permit records its date, time and duration. This tool helps you estimate an appropriate validity period based on work type and complexity.
Related Articles
Free Hot Work Permit Template (UK, HSE-Compliant)
A free, printable hot work permit template built on HSE guidance — precautions, fire watch timings from HSG168, close-out, and a walkthrough of each section.
What Is a Permit-to-Work System? A Plain-English Guide
A clear, jargon-free explanation of permit-to-work systems for UK contractors. What they are, when you need one, and how to set one up on site.