Do semi-permanent buildings need planning permission? Yes, structures in place beyond 28 days or open to the public typically require planning approval. We provide full drawings and documentation to support applications. By Gary Duarte|2025-11-12T15:59:19+00:0012 November 2025|Temporary vs Semi Permanent Structures|Comments Off on Do semi-permanent buildings need planning permission? Share This Story, Choose Your Platform! FacebookXBlueskyRedditLinkedInWhatsAppTelegramTumblrPinterestXingEmail About the Author: Gary Duarte