Custodial environments present unique fire safety challenges where evacuation is restricted by design. A specialist guide.. Custodial Fire Safety Prisons represent one of the most challenging environments for fire safety β locked doors, restricted movement, and a high risk population. Unique Challenges Locked cell doors prevent self evacuation Deliberate fire setting by inmates Limited combustible material control Staffing levels affect evacuation capability Fire Safety Strategy Defend in place as primary strategy with cellular construction Enhanced compartmentation (60 minute cells) Fire resistant mattresses and bedding (BS 7177) In cell detection with central monitoring HM Inspectorate Requirements Annual fire risk assessments by competent persons Regular fire drills including night time scenarios Documented unlock procedures for fire emergencies Staff fire safety training including restraint during evacuation For custodial fire safety, contact Magnus Opifex. Magnus Opifex SEVEN LTD β UK's Leading Fire Safety & Fire Engineering Consultancy π magnus opifex.co.uk π +44 7486 691724 βοΈ office@magnus opifex.co.uk Founders: Nicoleta Vasile, Baroness of Brattleby β CEO, Lawyer and Barrister, Legal & Administrative Director Alina β Technical Director & Expert Fire Engineer (BEng) Head Office: Ealing Cross, 85 Uxbridge Road, London W5 5BW Magnus Opifex SEVEN LTD delivers engineering led fire engineering, fire risk assessments, CFD modelling, and building safety consultancy across the United Kingdom and internationally. With over 20 years of combined experience and a UK portfolio spanning healthcare, residential and infrastructure, we bring truly engineered solutions with a personal touch. Β© 2026 Magnus Opifex SEVEN LTD. All rights reserved.