Katharine Elliot

Call: 2016 

"Thank you for everything - you have been absolutely amazing!"

Client feedback

"Thank you so much for this and for all your work...we really couldn't have done it without your help"

Client feedback

"We were represented by the most amazing, hard-working and highly professional barrister, Katharine Elliot, who did everything possible to ensure our community's views were well presented in this process."

Client feedback

"I’m very grateful to Katharine for her help in analysing the documents, her eye for detail and generally keeping me on the rails"

Client feedback

"Fantastic" and "Excellent"

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Practice Summary

Since joining chambers in 2017, Katharine has established a diverse public law practice, encompassing planning and environmental law, election law, regulatory law (in particular medical and financial services), mental health work and tax law. Katharine’s extensive knowledge of trusts, probate and general private client law makes her exceptionally well placed to advise in cases where the public and private law spheres meet.

Katharine is a strong and accomplished advocate, who appears in the County and High Courts, as well as the Court of Protection, both as junior counsel and in her own right.

Katharine is a member of the Attorney General’s Junior Junior scheme and has been instructed off panel by both the GLD and HMRC to act for them alongside leading counsel in high value litigation.

Her practice highlights include:

  • Vachha v Hamilton [2020] EWHC 3728 (Ch): Led by Tim Straker QC, successfully resisting an application for multiple injunctions aimed at controlling the internal workings of the United Kingdom Independence Party, and for the expedited trial of a dispute over who held various party offices under its constitution.
  • The Dame Linda Dobbs Review: Three years’ experience as a member of the core counsel team working with leading practitioners in financial crime and financial services regulation to review the handling of the HBOS Reading fraud by Lloyds Banking Group, advising on issues of fact, law and evidence gathering. Katharine excels in the set up and management of electronic disclosure systems.
  • Successfully representing the campaign group, Stop Bengeo Quarry, in opposing a major sand and gravel quarry development in Hertfordshire on the basis that it threatened to pollute a vital source of local drinking water (APP/M1900/W/17/3178839).
  • As a pupil, actively assisting with written submissions and case preparation in Ilott v Mitson [2017] UKSC 17, the only occasion on which the Inheritance Act 1975 has been considered by the Supreme Court.

Katharine is a regular contributor to the Association of Electoral Administrators ‘Arena’ magazine and to chambers’ planning law article series.

A strong believer in promoting both access to justice and diversity at the Bar, Katharine regularly accepts pro bono instructions through Advocate and is a session leader and mentor for BME Legal. She is also a tutor with The Access Project, a charity which supports students from disadvantaged backgrounds to access top universities.

Beyond the Bar, Katharine sings as a soprano with the London Symphony Chorus, performing at international venues in the UK and Europe, including as a soloist for the LSC’s Symphonic Odysseys touring concert in June 2017. She is also a keen rugby union fan and played for Haringey RFC until she retired from the sport in 2019. 

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Commercial & Chancery

Katharine accepts instructions in all areas of commercial and chancery law.

Katharine has experience across a range of chancery matters, including:

• Claims under the Inheritance Act 1975, including assisting with written submissions and case preparation in Ilott v Mitson [2017] UKSC 17, the only occasion on which the legislation has been considered by the Supreme Court;

• Tax litigation under the Transfer of Assets Abroad and Settlements legislation, arising out of complex offshore trust and corporate structures. In this context, Katharine also has experience of residence and domicile issues;

• Claims for breach of trust and challenges to the validity of a trust under the “sham” doctrine;

• Challenges to the validity of a will due to lack of testamentary capacity and/or undue influence; and,

• High value chattels disputes and proprietary estoppel claims.

During pupillage, Katharine worked extensively in the field of civil fraud and asset tracing, assisting in advising on and litigating multi-million-pound international claims at both first instance and appellate levels in England and Wales and in Jersey.

Katharine has also assisted in advising on and litigating contractual disputes across a range of business sectors, including breach of contract, unjust enrichment and quantum meruit claims.


Katharine is junior counsel to the Dame Linda Dobbs Review, which is considering whether issues relating to the HBOS Reading fraud were investigated and appropriately reported to the authorities at the time by Lloyds Banking Group, following its acquisition of HBOS.

Planning & Environment

Katharine accepts instructions in all areas of planning and environment law.

She advises individuals, local authorities, planning consultants and land agents across a wide range of planning matters including:

  • Conservation Areas;
  • Assets of Community Value;
  • Article 4 directions;
  • Community Infrastructure Levy;
  • Estate regeneration;
  • Planning compulsory purchase orders;
  • Traffic Management Orders;
  • Section 106 agreements;
  • Highways Act 1980 matters, including section 278 agreements; and,
  • Material changes of use of residential property, including HMOs.

Katharine advises and represents clients on planning appeals at both the inquiry stage and in the High Court.

She successfully represented the campaign group, Stop Bengeo Quarry, as sole counsel at a major planning inquiry regarding a proposed gravel quarry development in Hertfordshire, dealing with expert evidence on the issues of water pollution and air quality related health impacts.

Regulatory, Professional Discipline & Business Crime

Katharine accepts instructions in all areas of regulatory and disciplinary law.

Katharine has acted on behalf of the Nursing and Midwifery Council at interim order, review and final hearing stages before the Fitness to Practice Committee.

Public & Administrative

Katharine accepts instructions in all areas of public and administrative law.

A member of the Attorney General’s Junior Junior scheme, Katharine has been instructed by both the Government Legal Department and HMRC Solicitor’s Office and Legal Service to assist various government departments in the conduct of high value litigation alongside leading trial counsel. This has included claims for A1P1 damages, damages arising out of judicial review proceedings and high value tax litigation.


Katharine has appeared in the Court of Protection, dealing with issues of capacity, best interests and the drafting of consequential orders.

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