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Yohanna Weber

Partner

England & Wales

020 3319 3700

yohanna.weber@keystonelaw.co.uk

Yohanna is a planning and environmental law expert with a focus on infrastructure, conventional and renewable energy development, major/mixed-use schemes and urban regeneration. She is also highly experienced in the promotion of development consent orders (DCOs), Transport and Works Act orders, major/multi-authority planning applications and compulsory purchase orders.

Yohanna is dual-qualified in England & Wales and Australia.

Expertise

Yohanna advises on planning, environmental compliance, and development consent for major energy projects, including infrastructure agreements, compulsory purchase, and strategic support for conventional and renewable schemes. 

Experience

  • Advised Wheelabrator Technologies on DCOs for two new energy-from-waste power generating stations with a combined capacity of 112MW in Kent. 
  • Advised Calon Energy on the implementation of a DCO and exercise of compulsory rights for a 28km cross-country gas pipeline to connect a new gas-fired power station to the national transmission grid. 
  • Advised National Grid Gas on a DCO for the replacement of a 6km tunnelled section of high-pressure gas transmission pipeline under the River Humber. 
  • Advised National Grid Electricity Transmission on a DCO for a new 2.8km 400kV overhead electricity transmission line in Norfolk. 
  • Advised National Grid Ventures on planning, compulsory purchase, marine licensing and environmental matters for: 
  • the 650km Viking Link Interconnector project linking the national grids of Denmark and the UK via 1400MW HVDC subsea cables 
  • the 700km NSN Interconnector project linking the national grids of Norway and the UK via 1400MW subsea cables. 
  • Advised ESB Solar on environmental aspects of the purchase of a 6.86MW grid-connected battery storage system from Anesco Limited at a site in Grantham. 
  • Advised Perenco UK on an application to the High Court for ancillary rights under the Mines (Working Facilities and Support) Act 1966 for petroleum exploration and development rights. 

Yohanna guides developers through planning law, environmental impact assessments, s106 agreements, and highways orders, delivering strategic support on complex urban regeneration, mixed-use masterplans, and large-scale development projects. 

Experience

  • Advised Scottish Widows Investment Property Partnership Trust on planning and highways agreements for the regeneration of over 150,000sq feet of retail and public space in Sheffield’s main pedestrianised street, The Moor, in partnership with the Sheffield City Council. 
  • Advised the London Borough of Barnet on 3 compulsory purchase orders for the Brent Cross/Cricklewood Regeneration Scheme for the refurbishment of the Brent Cross shopping centre and the comprehensive regeneration of Cricklewood, including a new town centre and 7,500 homes. 
  • Advised Dominvs Group on planning and s106 matters for major new hotel developments in Nine Elms and Hammersmith, including a dispute with UKPN. 
  • Advised Cala Homes on promoting various strategic mixed-use schemes including 600 dwellings at New Monks Farm, West Sussex and 3,500 dwellings at Long Marston Airfield, Stratford-on-Avon. 
  • Advised Barratt Developments plc on the s106 agreement for a mixed use scheme at Overstone Leys comprising up to 2,000 dwellings, nursery, medical centre, primary school, sports facilities, open space, retail, commercial and industrial uses and associated infrastructure. 
  • Advising a consortium on strategic planning issues and s106 agreement for the development of up to 2,700 dwellings at South East Coalville development including new primary school, public open space and ancillary transport, highways and drainage infrastructure. 

 

Please note: The experience list above may include examples of work completed prior to joining Keystone Law.

Recognition

Recognised by Chambers UK for Planning 2025 – 2026

Recognised by The Legal 500 for Planning 2020–2026

Member of the National Infrastructure Planning Association and Compulsory Purchase Association 

“She has a flair for understanding the details and the strategy simultaneously”

Chambers UK 2025

Yohanna qualified as a solicitor in Australia in 2003 and in England & Wales in 2011. Prior to joining Keystone Law in 2020, she worked at the following firms: 

  • Fieldfisher 
  • Eversheds Sutherland 
  • Dundas & Wilson (now part of CMS Cameron McKenna)