RAAC has been found in two buildings at North Cambs Hospital in Wisbech, the Department for Health revealed last night.  

A spokesperson for Cambridgeshire Community Services said the hospital is now one of 43 where the reinforced concrete has been identified.

She said: “We have identified the presence of RAAC on the North Cambridgeshire Hospital site in Wisbech, where it is limited to two buildings.  

“One space has been closed to patients and staff and is no longer in use.  

“The second area poses no safety risk to patients as it is only accessible for specialist staff undertaking maintenance and protective scaffolds are in place.”

The Department for Health and Social Care website said: “Where possible RAAC is identified, visual inspections and structural surveys take place to verify its presence and level of risk.  

“Once the presence of RAAC is confirmed, trusts join the national RAAC programme.  

“This programme supports mitigation, remediation and wider planning to maintain safety.”

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RAAC stands for reinforced autoclaved aerated concrete.    

The lightweight materials was used in many building projects between the 1950s and 1990s - and is now coming to the end of its 30-year lifespan.  

It was also used in school buildings – but Cambridgeshire County Council says it has not been detected in any of its schools.  

However the surveys did not include independent or private schools.  

Hinchingbrooke Hospital in Huntingdon, and the Queen Elizabeth Hospital, in King’s Lynn are among the buildings affected.    

Earlier this year, it was announced both will be rebuilt.