A like-for-like shopfront replacement, matching the existing materials and proportions, often needs no planning permission at all. Change the character, different materials, a different style, enlarging or reducing the opening, and full planning permission usually applies, particularly in a conservation area, where permitted development rights are commonly removed altogether. Signage sits under a separate regime entirely: fascia signs, projecting signs and illumination need Advertisement Consent, and displaying one without it is a criminal offence. A listed building adds Listed Building Consent to that list, covering historic joinery, stallrisers and pilasters as closely as the shopfront itself. Sovran establishes exactly which of these applies, securing a Lawful Development Certificate where useful, before a single drawing is started.