41 Ambrose Lane Harpenden Hertfordshire AL5 4BUReference5/2026/1189Local authoritySt AlbansAddress41 Ambrose Lane Harpenden Hertfordshire AL5 4BUProposalTwo-storey rear extension, together with internal reconfigurations and associated fenestration alterations. at 41 Ambrose Lane Harpenden Hertfordshire AL5 4BUStatusRefusedDecision date2026-08-25More planning applications in St Albans