Fire Strategies for Student Accommodation

Student Accommodation and Fire Safety

Purpose-built student accommodation (PBSA) presents a specific combination of fire safety challenges that distinguishes it from standard residential buildings. Students are typically young adults living away from home for the first time, in a high-density residential environment, with varying degrees of awareness of fire safety. They may cook at unusual hours, be present in large groups, and may not respond to fire alarms with the urgency that the situation demands — student accommodation has historically high rates of false alarm activations, which can contribute to alarm fatigue and poor evacuation compliance.

Applicable Standards

Student accommodation is classified as residential occupancy under BS 9991:2015, which is the primary standard for fire strategies in PBSA. The specific provisions applicable depend on the configuration of the accommodation — whether it is arranged as cluster flats (self-contained units sharing a kitchen) or as en-suite study bedrooms with shared facilities along corridors, and whether the building includes communal facilities such as common rooms, gyms, or laundries.

For PBSA buildings over 18 metres in height, the Building Safety Act 2022 higher-risk building regime applies in full, including the gateway process and BSR oversight.

Key Fire Strategy Considerations for PBSA

• Evacuation strategy — for PBSA configured as cluster flats, a modified stay-put strategy may be appropriate for the residential areas, with simultaneous evacuation of the cluster flat on alarm activation. For corridor-based en-suite accommodation, simultaneous evacuation of the affected floor or zone is more common.
• Fire detection — detection in student accommodation must balance sensitivity (to detect genuine fires early) with specificity (to avoid false activations from cooking and steam). Optical detectors in corridors, combined with heat detectors in kitchens and multi-sensor detectors in bedrooms, are the standard approach.
• Sprinkler systems — BS 9991 requires sprinklers in new residential buildings over 11 metres, which encompasses most PBSA. Sprinklers also provide significant risk reduction for PBSA given the occupancy characteristics and the risk of fires starting in student bedrooms or kitchen areas.
• Compartmentation — cluster flats should be designed as self-contained fire compartments, with fire doors at the entrance to each flat. Corridor arrangements require protected corridors with fire doors at regular intervals to subdivide the escape route.
• False alarm management — the fire strategy should address the management of unwanted fire alarm activations, which are particularly prevalent in student accommodation. This may include the use of multi-sensor detectors, toast-proof detector covers over cooking areas, and a managed response protocol with trained staff.

Mixed-Use PBSA Developments

Many modern PBSA developments include ground-floor commercial uses — retail units, cafes, or gym facilities — alongside the residential accommodation. These developments must address the fire safety interface between the commercial and residential uses, including compartmentation at the interface, separate or coordinated alarm systems, and independent means of escape for each use.