Warn trespassers effectively with this bold Unauthorised Entry sign from our access and no entry signs collection. Manufactured in the UK from durable, weather-resistant materials, it provides a clear message to deter entry onto private land, construction sites, or restricted areas. Featuring a prominent red and white design with an ISO 7010 prohibition symbol, it supports compliance with UK safety regulations and Health and Safety at Work Act requirements for site access control. Perfect for use on gates, fences, warehouses and commercial premises, this no entry safety sign helps protect staff, visitors and property by preventing accidents and unauthorised access. Available in rigid plastic, recyclable material and aluminium composite for long-lasting outdoor performance, ensuring your site remains secure and compliant.