Enhance workplace safety and restrict access with this No Unauthorised Entry sign, part of our access and no entry range. Designed for use in warehouses, stockrooms and stores, this durable sign warns clearly against unauthorised personnel entering restricted areas. Manufactured in the UK from robust weatherproof materials, it features a bold prohibition symbol and complies with ISO 7010 safety standards for maximum visibility. Ideal for helping businesses meet their obligations under the Health and Safety at Work Act 1974, this sign supports effective access control and reduces the risk of accidents in high‑risk areas. Available in a choice of rigid plastic, recyclable plastic or aluminium composite, it is UV‑resistant and easy to install on doors, walls or gates. A must for warehouses, retail premises and industrial sites requiring clear no entry signage.