The Royal Institute of British Architects (RIBA) has called for existing residential buildings above 18m in height to be refurbished with ‘consequential improvements’ including second staircases.

The institute has issued its full response to the Grenfell Inquiry’s phase 2 report, listing a series of recommendations for improving building safety across the built environment.

Where existing residential buildings over 18m only have one staircase, it is calling for refurbishments with “appropriate safety measures as consequential improvements”.…