The Studio E Architects associate who was the final project lead for Grenfell Tower’s refurbishment has said an unfit-for-purpose regulatory system that allowed multiple compliance routes for products played a major role in the tragedy.

On his third and final day of evidence to the Grenfell Tower Inquiry yesterday, Neil Crawford said the UK government had ignored warning signs that its regulatory system for buildings was unsafe while the multi-track approach to approving products had exacerbated the situation.

Asked what he would do differently on the project if the clock could be turned back, Crawford – who is only part-II qualified and cannot legally use the title “architect” – said he would want to work to better Building Regulations than the 2010 ones under which Grenfell was refurbished.

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