31 Broadstone Road Harpenden Hertfordshire AL5 1RBReference5/2026/0862Local authoritySt AlbansAddress31 Broadstone Road Harpenden Hertfordshire AL5 1RBProposalCertificate of Lawfulness (Proposed) - Part of the existing garage to be converted with side windows and alterations to openings at 31 Broadstone Road Harpenden Hertfordshire AL5 1RBStatusApprovedDecision date2026-06-23More planning applications in St Albans