46 Crabtree Lane Harpenden Hertfordshire AL5 5NSReference5/2026/0065Local authoritySt AlbansAddress46 Crabtree Lane Harpenden Hertfordshire AL5 5NSProposalCertificate of Lawfulness (existing) - Addition of rooflights and entrance porch which fall under 'Class C' of the General Permitted Development Order at 46 Crabtree Lane Harpenden Hertfordshire AL5 5NSStatusApprovedDecision date2026-03-24Validated2026-01-14More planning applications in St Albans