Sioned Davies

Viewing: Planning and Environment for Sioned Davies

Planning and Infrastructure
Sioned has gained a broad range of planning and infrastructure experience, including at hearings, inquiries, call-ins and in the High Court whilst under the supervision of her pupillage supervisors.
Throughout her pupillage, she also gained experience of challenges to several major infrastructure projects, including to HS2 and the North London Heat and Power Project. Further, whilst under supervision, she gained experience of challenges in the High Court and Court of Appeal relating to NPPF interpretation (Gladman v SSHCLG & Peel Investments v SSHCLG).
Sioned’s advisory practice encompasses the following areas:
- Breaches of condition
- Commencement of development
- Policy interpretation
- Judicial review
- Permitted development rights
- S.106 agreements
- Injunctive relief
- Heritage assets
- The Community Infrastructure Levy Regulations
During pupillage, Sioned was exposed to leading environmental law challenges including to the UK Emissions Trading Scheme (R (on the application of Georgia Elliott-Smith) v SSBEIS).
In her own capacity, she also worked as part of a team of researchers working on aspects of EIA reform. Separately, she has advised a group of local residents on questions concerning marine licensing, environmental impact assessment and strategic environmental assessment.
More recently, Sioned has gained experience of seeking injunctive relief against protestors on a major infrastructure project. She is also working on a retained basis for the Welsh Government advising on operational questions relating to the Common Agricultural Policy and on the legal aspects of policy reform.
Compulsory Purchase and Valuation
Sioned gained experience on a broad range of compulsory purchase and valuation matters during pupillage and has worked, in her own capacity, on a range of matters, including for HS2 Ltd.
Sioned is frequently instructed to obtain civil orders for the Metropolitan Police (including Domestic Violence Protection Orders, Sexual Risk Orders, and Closure Orders).
She has also advised on the prospects of a local authority prosecution.
Public & EU Law
Sioned has advised on a range of public law matters specifically in relation to the duties to consult in light of the Covid-19 Pandemic.
Sioned has experience in undertaking research in relation to Welsh devolution.
Other information
Prior to coming to the Bar, Sioned was the Chair of a national agricultural youth charity, and worked as Head of the Secretariat to the Climate Law and Governance Initiative which brought together lawyers globally in the international climate discussion at COP24 in Katowice, Poland.
- English
- Welsh (fluent)
Government Legal Department Panel of Junior Junior Counsel
Welsh Government Junior Barrister Public Law Scheme
Kate Bertram Prize for academic distinction (University of Cambridge)
John Frederic Whitehouse Award for highest marks in the undergraduate Law dissertation (UCL)
Bentham Award for High Academic Achievement (UCL)
Young Compulsory Purchase Association
Administrative Law Bar Association
Bar Professional Training Course – Very Competent
University of Cambridge – MPhil – Environmental Law and Policy – First Class (distinction) (2018)
University College London (UCL) – LLB – Law First Class Honours

Latest News & Publications

In R v Canterbury City Council [2020] EWCA Civ 1588, the Court of Appeal considered two applications to re-open final appeals pursuant to CPR52.30....

Date: Mon, 07 Dec 2020
Sioned Davies joins No5's Planning and Environment Group...

Date: Tue, 03 Nov 2020