Fire engineering for railway stations presents a unique set of challenges, particularly in subterranean and complex enclosed environments. High-volume, transient occupant loads, intricate circulation paths, and the inherent risks associated with rail operations demand a fire safety approach that goes far beyond conventional, prescriptive guidance. The fundamental objective is to maintain tenable conditions for safe evacuation and to facilitate effective intervention by the fire and rescue service. This requires a deep, first-principles understanding of fire dynamics, smoke behaviour, and human factors. As fire engineering specialists, we develop robust, performance-based fire strategies grounded in the principles of BS 7974. Our approach moves beyond the baseline recommendations of Approved Document B, employing advanced analytical tools to create resilient and compliant solutions. We ensure that the fire strategy is not merely a document, but a fully integrated component of the station's design, construction, and operational lifecycle, satisfying the stringent requirements of the Regulatory Reform (Fire Safety) Order 2005 and reflecting the modern safety paradigms championed by the Building Safety Act 2022. Statutory & Regulatory Compliance in Rail Environments. Navigating the statutory framework for fire safety in UK railway stations is a complex undertaking. The primary legislation governing premises in operation is the Regulatory Reform (Fire Safety) Order 2005 (RRO), which places a duty on the "Responsible Person" to take general fire precautions. For new builds or major alterations, the Building Regulations are enforced, with Approved Document B (ADB) providing prescriptive guidance. However, for a complex asset like a railway station, particularly one with subterranean levels, adherence to ADB alone is often insufficient to demonstrate an adequate level of safety. This is where a performance-based approach, as set out in BS 7974 (Application of fire safety engineering principles to the design of buildings), becomes essential. This suite of documents provides a structured methodology for developing a holistic fire strategy, using engineering principles to demonstrate that safety objectives are met. In the post-Grenfell era, the principles of the Building Safety Act 2022, such as the "golden thread" of information, while legislatively focused on higher-risk residential buildings, have established a new benchmark for accountability and information management that is being widely adopted as best practice across all complex construction projects, including critical transport infrastructure. Technical Methodology: Smoke Control & Evacuation Analysis. At the core of a railway station fire strategy is the management of smoke. In enclosed or subterranean spaces, smoke is the primary threat to life, obscuring escape routes and creating toxic, high-temperature conditions. Our technical methodology centres on performance-based smoke control design, utilising advanced Computational Fluid Dynamics (CFD) modelling. This allows us to simulate fire and smoke development from a range of credible fire scenarios, analysing the complex interactions with station geometry and ventilation systems. The goal is to ensure that tenability criteria—primarily visibility, temperature, and toxicity—are maintained for the required duration of escape. Evacuation is modelled concurrently, considering occupant densities, flow rates, and human behaviour to determine the Required Safe Egress Time (RSET). The fire strategy then demonstrates a sufficient margin of safety where the Available Safe Egress Time (ASET) exceeds the RSET. This analysis informs the design of mechanical and natural smoke ventilation systems, cross-referenced with guidance in BS 9999 and integrated with the fire detection and alarm systems strategy, which must conform to BS 5839-1, to ensure timely activation and response. This robust, evidence-backed approach provides the assurance that prescriptive codes cannot offer. Failure Modes, CFD Modelling & Defensible Solutions. A truly robust fire strategy must be resilient. It is not enough to design a system that works under ideal conditions; it must be proven to function acceptably under credible failure modes. We employ a rigorous process of sensitivity analysis to test the boundaries of our proposed solutions. This involves systematically modelling "what if" scenarios. For example: what if a primary smoke extract fan fails to operate (an N-1 condition)? What if a set of dampers fails to open? What if the fire develops faster than the median assumption? By running these alternate scenarios through CFD and evacuation models, we quantify their impact on the ASET/RSET analysis. This allows us to identify potential single points of failure and engineer inherent resilience into the design. Solutions may include providing redundant fan sets (N-1 or N-2), designing smoke reservoirs with additional capacity, or phasing evacua