Whether a custom metal sign needs planning permission depends on factors like its size, location, illumination and whether the building is listed or in a conservation area. Many standard business signs fall under what’s known as “deemed consent,” meaning they don’t require a separate planning application provided they meet certain size and positioning rules set by local authorities. However, illuminated signage, larger exterior installations, or signage on listed buildings or in conservation areas are more likely to require formal permission before installation. Because these rules can vary between local councils, it’s always worth checking with the relevant planning authority, or asking a signage provider like Bespoke Office Signs with experience navigating these requirements, before manufacturing begins. An experienced in-house team can often advise on likely requirements early in the design process, helping avoid delays later in the project once a sign has already been designed and quoted.