25 Mansdale Road Redbourn Hertfordshire AL3 7DLReference5/2026/1149Local authoritySt AlbansAddress25 Mansdale Road Redbourn Hertfordshire AL3 7DLProposalCertificate of Lawfulness (proposed) - creation of rear extension including internal refurbishment and creation of ground floor WC at 25 Mansdale Road Redbourn Hertfordshire AL3 7DLStatusApprovedDecision date2026-08-04More planning applications in St Albans