THE concrete crisis affecting schools in Essex can be traced back to a “formidable” architect in the 1970s, research by the BBC has found.

Ralph Crowe and his team at Essex County Council designed a relatively cheap building system using reinforced autoclaved aerated concrete (Raac).

A former colleague says he protested directly to Mr Crowe at the time over the risks of using Raac.

Katherines Primary, Sumners Primary (now Water Lane), Harlowbury Primary were all built in the late seventies.

Click below for the full article.

https://www.bbc.co.uk/news/uk-england-essex-66792773