Niralee Casson is a Chartered Architect and architecture expert witness with established experience advising on fire safety, latent defects and allegations of architectural negligence in high risk residential and mixed-use developments. She has been instructed in proceedings before the First tier Tribunal and the Technology and Construction Court and is known for producing clear, timely expert evidence that courts and legal teams can
rely on.

Niralee is frequently instructed where disputes require careful analysis of fire safety design, intrusive investigation reports and opinion provided by others, particularly in the context of Building Safety Act matters. She easily builds professional relationships and integrates as part of the team whilst maintaining the independence essential to expert witness work. Her excellent communication skills underpin her ability to engage effectively with clients, solicitors, and wider project teams.

With experience spanning the full RIBA Plan of Work, Niralee has led multi-disciplinary teams on large-scale Build to Rent, co-location, and mixed-use residential projects. She is known for her ability to distil complex design coordination issues into persuasive expert evidence – and for her collaborative style, dry sense of humour, and refreshingly candid advice that gets to the heart of the matter. Clients value her for cutting through ambiguity and delivering clear, actionable insights.

Whether reconstructing building models or dissecting allegations of professional negligence, Niralee brings focus, fluency, and a touch of levity to even the most technical disputes. Her reports are often praised for their clarity and structure, making them accessible to both technical and legal audiences.