12 Westfield Avenue Harpenden Hertfordshire AL5 4HNReference5/2025/2301Local authoritySt AlbansAddress12 Westfield Avenue Harpenden Hertfordshire AL5 4HNProposalDemolition of existing garage and construction of replacement garage with dormer windows and single storey side extension along with internal alterations at 12 Westfield Avenue Harpenden Hertfordshire AL5 4HNStatusRefusedDecision date2026-02-26Validated2025-12-18More planning applications in St Albans