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21st Century Schools LogoYsgol Y Deri Expansion

Consultation on the proposal to transform specialist education within the Vale (phase iii). 


Introduction to the proposal

On 9 July 2020, the Council’s Managing Director approved a strategy to transform special education in the Vale of Glamorgan to meet projected future demand and best meet the needs of our most vulnerable learners. The strategy identified three key areas:


  1. Establish a new Centre for Learning and Wellbeing (CL&W), which will replace Y Daith, the Council’s pupil referral unit (PRU);
  2. Establish specialist resource bases (SRB) in mainstream schools to ensure learners have access mainstream education; and
  3. Increase capacity of Ysgol Y Deri (YYD), the Council’s special school, to meet projected demand for special education.

On 2 November 2020, the Council’s Cabinet authorised the Director of Learning & Skills to undertake a consultation from Friday 6 November 2020 to Sunday 20 December 2020 on a proposal to expand Ysgol Y Deri (YYD) by: 

  • Increasing the capacity of YYD to accommodate an additional 150 pupils; and
  • Constructing a new building on the preferred site located in Cosmeston, Penarth for September 2023, which would operate as an additional site under the management of YYD.



On 26 April 2021, the Vale of Glamorgan Council’s Cabinet considered the objection report and all other relevant documentation and determined to approve the proposal.

The proposal will mean specialist educational provision at Ysgol Y Deri will be increased to accommodate an additional 150 pupils. In order to accommodate this increased capacity, a new school building will be constructed on a new site, which will operate under the management of Ysgol Y Deri.

Consultation Documentation



If you would like a hard copy of the reports, please contact a member of the 21st Century Schools Team at:


Frequently Asked Questions

  • What is the intended timescale of development?

    It is intended that the proposal would be implemented by September 2023. Construction of the new school would commence by January 2022 and be completed by August 2023. 

  • How would potential transport implications be considered as part of this proposal? 

    The Council’s 21st Century Schools Team would be responsible for the build process. A contractor would be appointed and a full transport assessment would be undertaken as part of the design process. Any implications identified would be factored into the design of the new building. The contractor would submit a full planning application for the new building.

  • Who would manage the construction of the new school building? 

    The Council’s 21st Century Schools Team would be responsible for managing the build process. A contractor would be appointed using the SEWSCAP framework. SEWSCAP is a construction framework used by 16 local authorities and provides pre-qualified and suitably experienced Contractors to deliver the 21st Century Schools Programme, and other public buildings, relating to both new build and refurbishment projects over £1.5 million. A programme of engagement would be devised to ensure all stakeholders are informed of progress and are able to feed into the design process. There would be regular meetings between the Council, contractor and school. 


  • How would we be involved throughout the design process?

    A programme of engagement would be devised to ensure all stakeholders are informed of progress and are able to feed into the design process. There would be regular meetings between the Council, contractor and school. Any feedback or thoughts can be sent to the 21st Century Schools Team on:


Completed 21st Century Schools in the Vale of Glamorgan

Ysgol Y Deri - Outside Teaching Space
(Ysgol Y Deri playground)

Ysgol Dewi Sant - Hall 3
(Ysgol Dewi Sant "heart space")

Ysgol Y Deri - Reception
(Ysgol Y Deri secure reception area)
Oak Field - Outside
(Outside view of Oak Field Primary)



Contact details