Timeline Overview

2025
February
RR1213: Reinforced Autoclaved Aerated Concrete (RAAC) in England: Assessment of risk of collapse
Source: Health and Safety Executive (HSE)
Source Type: Government
Published: 06 February 2025
2024
November
Reinforced Autoclaved Aerated Concrete (RAAC) Discovery Survey Programme - List of Properties
Source: NHS Scotland
Source Type: Government
Published: 08 November 2024
October
Reinforced autoclaved aerated concrete (RAAC) in hospitals: management information
Source: Department of Health and Social Care
Source Type: Government
Updated: 03 October 2024
Update to the RAAC list
Source: Department of Health and Social Care
Source Type: Government
Published: 03 October 2024
April
RAAC: Advice and FAQs
Source: Royal Institution of Chartered Surveyors (RICS)
Source Type: Professional Body
Published: 26 April 2024
Reinforced Autoclaved Aerated Concrete: Identification guidance
Source: Department for Education
Source Type: Government
Updated: 25 April 2024
Reinforced autoclaved aerated concrete: guidance for responsible bodies and education settings with confirmed RAAC
Source: Department for Education
Source Type: Government
Updated: 25 April 2024
March
Regulator publishes further update on reinforced autoclaved aerated concrete (RAAC) in social housing
Source: Scottish Housing Regulator
Source Type: Government
Updated: 28 March 2024
RAAC essentials for structural engineers
Source: Institution of Structural Engineers (IStructE)
Source Type: Professional Body
Updated: 11 March 2024
February
RAAC in the NHS - media fact sheet
Source: Department for Health and Social Care
Source Type: Government
Updated: 29 February 2024
Background on RAAC management information
Source: Department for Education
Source Type: Government
Updated: 08 February 2024
What we're doing to permanently remove RAAC from schools and colleges
Source: The Education Hub, Department for Education
Source Type: Government
Published: 08 February 2024
January
RAAC in school buildings: Concerns, risks and government response
Source: House of Lords Library
Source Type: Government
Published: 26 January 2024
RAAC in the UK: Concerns and government response
Source: House of Commons Library
Source Type: Government
Published: 10 January 2024
Unknown
Information on Reinforced Autoclaved Aerated Concrete (RAAC)
Source: Local Government Association
Source Type: Government
Published: 00 Unknown 2024
2023
November
Information and FAQs on reinforced autoclaved aerated concrete (RAAC) from the Construction Leadership Council (CLC)
Source: Construction Leadership Council (CLC)
Source Type: Professional Body
Published: November 2023
The condition of school buildings, Second Report of Session 2023–24
Source: House of Commons Committee of Public Accounts
Source Type: Government
Published: 19 November 2023
The New Hospital Programme, First Report of Session 2023–24
Source: House of Commons Committee of Public Accounts
Source Type: Government
Published: 17 November 2023
October
IStructE statement & FAQs: Reinforced Autoclaved Aerated Concrete (RAAC)
Source: Institution of Structural Engineers (IStructE)
Source Type: Professional Body
Published: 25 October 2023
Reinforced autoclaved aerated concrete (RAAC) in hospitals: management information
Source: Department of Health and Social Care
Source Type: Government
Published: 19 October 2023
RAAC issues leave families seeking school moves
Source: BBC News
Source Type: Media
Published: 18 October 2023
Infrastructure failure and the impact on public health services
Source: Hospital Times
Source Type: Media
Published: 09 October 2023
IStructE: responding to the RAAC crisis
Source: Institution of Structural Engineers (IStructE)
Source Type: Professional Body
Published: 03 October 2023
Historical defects in buildings – No. 1: Reinforced autoclaved aerated concrete
Source: Institution of Structural Engineers (IStructE)
Source Type: Professional Body
Published: 03 October 2023
September
What is RAAC concrete and why is it a safety risk?
Source: BBC News
Source Type: Media
Published: 19 September 2023
How to locate RAAC – and what to do about it
Source: RICS Built Environment Journal
Source Type: Professional Body
Published: 18 September 2023
UK concrete crisis: What is RAAC and what can be done to prevent catastrophe?
Source: Euronews
Source Type: Media
Published: 11 September 2023; Updated: 14 September 2023
Oral evidence: The condition of school buildings, HC 1338 (Questions 108-207)
Source: Public Accounts Committee, House of Commons
Source Type: Government
Published: 11 September 2023
Understanding chemistry at play in RAAC explains weakening of concrete – and how to slow it down
Source: Royal Society of Chemistry
Source Type: Professional Body
Published: 08 September 2023
RAAC Guidance and Information
Source: Construction Leadership Council (CLC)
Source Type: Professional Body
Published: 08 September 2023
Industry experts speak on RAAC
Source: Construction Briefing
Source Type: Media
Published: 05 September 2023
Reinforced aerated autoclaved concrete (RAAC)
Source: NHS England
Source Type: Government
Published: 05 September 2023
Crumbling concrete: nursing staff must be briefed and properly protected
Source: Royal College of Nursing (RCN)
Source Type: Professional Body
Published: 05 September 2023
How long has RAAC in schools been a concern and what happens now?
Source: The Guardian
Source Type: Media
Published: 01 September 2023
RAAC in the NHS - media fact sheet
Source: Department of Health and Social Care
Source Type: Government
Published: 01 September 2023
Reinforced Autoclaved Aerated Concrete (RAAC): Identification guidance
Source: Department for Education
Source Type: Government
Published: September 2023
August
Reinforced autoclaved aerated concrete: guidance for responsible bodies and education settings with confirmed RAAC
Source: Department for Education
Source Type: Government
Published: 31 August 2023
RAAC: can our schools be made safe?
Source: Construction News
Source Type: Media
Published: 14 August 2023
Experts warn RAAC concrete safety is a "global issue"
Source: Construction News
Source Type: Media
Published: 09 August 2023
July
Oral evidence: The condition of school buildings, HC 1338 (Questions 1 - 107) (Questions 108-207)
Source: Public Accounts Committee, House of Commons
Source Type: Government
Published: 13 July 2023
Written evidence submitted by NAHT, School leadership Union (TSB0002)
Source: NAHT, School leadership Union, UK Parliament
Source Type: Government
Published: July 2023
Written evidence submitted by UNISON (TSB0008)
Source: UNISON, UK Parliament
Source Type: Government
Published: July 2023
June
Corporate Statement: Response to NAO reports
Source: Institution of Structural Engineers (IStructE)
Source Type: Professional Body
Published: 30 June 2023
April
Reinforced Autoclaved Aerated Concrete (RAAC) Investigation and Assessment – Further Guidance
Source: Institution of Structural Engineers (IStructE)
Source Type: Professional Body
Published: 17 April 2023
March
Safety Alert Part's A, B & C (Failure of Reinforced Autoclaved Aerated Concrete (RAAC) Planks)
Source: Defence Infrastructure Organisation
Source Type: Government
Published: 03 March 2023
2022
December
Reinforced autoclaved aerated concrete: identification guidance
Source: UK Government
Source Type: Government
Published: 14 December 2022
November
Office of Government Property: RAAC Safety Briefing Notice
Source: Local Government Association
Source Type: Government
Published: 08 November 2022
September
Identifying issues with outmoded building materials
Source: RICS Built Environment Journal
Source Type: Professional Body
Published: 20 September 2022
August
Reinforced aerated autoclaved concrete planks found on pitched roof of 1990s hospital building
Source: CROSS Safety Report
Source Type: Government
Published: 26 August 2022
March
Reinforced Autoclaved Aerated Concrete (RAAC) panels: Investigation and assessment
Source: Institution of Structural Engineers (IStructE)
Source Type: Professional Body
Published: 07 March 2022
2019
November
Identifying problematic RAAC planks
Source: RICS Built Environment Journal
Source Type: Professional Body
Published: 21 November 2019
August
Information on Reinforced Autoclaved Aerated Concrete (RAAC)
Source: Local Government Association
Source Type: Government
Published: August 2019
May
Failure of reinforced autoclaved aerated concrete (RAAC) planks
Source: CROSS (Collaborative Reporting for Safer Structures)
Source Type: Government
Published: May 2019