Joanna Rees

Contact details

07715 113978

029 2068 6161


Joanna Rees deals with a range of construction matters, including transactions and disputes. "She's got a good reputation and she's a good lawyer," according to interviewees.

Chambers and Partners 2019

Jo has worked closely with developers, government and public sector teams and contractors dealing with all aspects of construction projects from project tender through the build phase, managing risk issues and resolving disputes by ADR, adjudication, mediation or litigation when required.

Main areas of practice

Broad expertise of construction projects, construction disputes, infrastructure and regeneration. Also leads on construction issues within energy projects, wind, solar and AD.


Government, local government, developers, contractors, social housing providers. Strong client skills regularly acting as a trusted advisor to client boards where she is seen as an influencer and a safe pair of hands.


Joanna attended Bristol University and she trained at Stephenson Harwood qualifying in 1994 she then worked at Ashursts and BLP before moving back to Cardiff and joined Blake Morgan in 2000.

Contact details

07715 113978

029 2068 6161


  • Member of Cardiff Capital Region Business Council
  • Trustee of Wales Millennium Centre
  • SCL, TeCSA

Significant Experience

  • Acted for Igloo Regeneration Partnership developer on all construction and development issues arising from the regeneration scheme at Porth Teigr, Cardiff Bay i.e. BBC Studios, Gloworks and all infrastructure servicing the island site including resolution of all contentious issues.
  • Working with the Transport for Wales procurement and consultant team on procurement advice and construction contracts for the STRIDE Framework and the Infrastructure Delivery Partners ("IDPs") for the Wales and Borders Rail Service and South Wales Metro. The current projected value of projects to be procured by TfW via STRIDE is in excess of £1bn over 10 years and includes the South Wales Metro Core Valley Lines. Working with TfW to develop a robust construction strategy which is attractive to the market and seeks to stimulate the local economy. Advising and amending NEC3 suite of contracts to reflect TfW's commercial and legal requirements. TfW is subject to the Wellbeing of Future Generations (Wales) Act 2015 and we have guided TfW to ensure that the Act's requirements are at the core of TFW's activities with particular focus on sustainable and ethical procurement policies, alliancing, carbon reduction and environmental impact and legacy.
  • Defending and bringing adjudications under NEC and JCT.
  • Working with social housing providers and local government on the development of regeneration schemes and running multi- disciplinary legal teams.

Led by the 'very responsive' Joanna Rees, the Cardiff team advises private and public sector purchasers and contractors across a diverse array of industry sectors including residential and commercial development, retail and leisure, energy, banking and education.

Legal 500, 2020

Very knowledgeable in her field, Joanna Rees handles both contentious and non-contentious matters and is appreciated by clients for her 'clear and precise advice' and 'ability to work well under pressure'.

Legal 500, 2018

A strong construction lawyer who is unflappable and seeks solutions to issues.

Chambers and Partners, 2018

The unflappable Joanna Rees has a strong reputation among UK-based clients, who appreciate her ability to put things into perspective.

Legal 500, 2017

Insights by Joanna


3 November - Joanna Rees

With 2250 days to go until Wales' net zero target of 2030 an informed audience engaged with our Developing Connections panel at our Cardiff office on 5 October 2023. The...

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14 September - Joanna Rees

We hosted a very successful Developing Connections panel event on Decarbonisation on 5 October at our Cardiff office.

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28 June - Joanna Rees

The Welsh Government has made it no secret that it is committed to achieving Net-Zero emissions by 2050. The proposal of The Infrastructure (Wales) Bill, placed before the Senedd on...

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