BS 5839-1:2017 — Fire detection and fire alarm systems for buildings — Code of practice for design, installation, commissioning and maintenance of systems in non-domestic premises

BS 5839-1:2017 — Fire detection and fire alarm systems for buildings — Code of practice for design, installation, commissioning and maintenance of systems in non-domestic premises. The principal UK code for non-domestic fire detection and alarm systems. Defines categories L1-L5 (life protection) and P1-P2 (property protection). This page provides a structured summary, key provisions, and practical guidance on the application of BS 5839-1:2017 to UK fire safety engineering, building design, and Building Safety Act compliance.

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