External Wall Fire Review (EWFR): Process, Cost and Timeline Guide

Understanding the EWS1/EWFR process that is critical for mortgage valuations on residential properties.. The EWFR Process External Wall Fire Reviews are required for residential buildings where external wall construction is uncertain. Process Steps 1. Appointment of RICS/IFE qualified assessor 2. Desktop review of building records and construction details 3. Intrusive investigation (opening up external wall) 4. Laboratory testing if materials cannot be identified 5. Risk assessment against BS 8414/BR 135 criteria 6. EWS1 form completion and certification 7. Remediation recommendations if required Current Timelines and Costs Simple assessment (no investigation): £5,000 £15,000 Complex assessment (intrusive): £20,000 £80,000 Timeline: 4 16 weeks depending on complexity Assessor availability: improving but still constrained For external wall assessments, contact us.