Rebecca Costello

Year of Call: 2013


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  • "Rebecca's knowledge of the landscape of case law and statutes is noteworthy, and what is equally impressive is her knowledge of the ethical rules and guidance for court practitioners, including solicitors and barristers. She acts in a responsible and ethical manner at all times, and she is also a keen advocate who is able to break down complex arguments and deliver those in strong persuasive packages."

    Legal 500 (2026) - Family: Children and Domestic Abuse

Education

LLB
BPTC


Appointments

Family Bar Association


  • "Rebecca's knowledge of the landscape of case law and statutes is noteworthy, and what is equally impressive is her knowledge of the ethical rules and guidance for court practitioners, including solicitors and barristers. She acts in a responsible and ethical manner at all times, and she is also a keen advocate who is able to break down complex arguments and deliver those in strong persuasive packages."

    Legal 500 (2026) - Family: Children and Domestic Abuse

Rebecca undertakes work in all areas of family law and she invites instructions on behalf of all parties in the following areas: public law (children), private law (children), domestic abuse and financial remedy proceedings.

Rebecca joined 18 St John Street having spent her early career as an Associate Lecturer in Law at Manchester Law School (MMU), the University of Salford, the Open University and other universities in the North West. However, it was always her desire to pursue a career at the bar and following successful pupillage at Chambers in Northampton, she joined Atlantic Chambers, Liverpool as a third six pupil before becoming a tenant. Rebecca now joins 18 St John Street as of 1st February 2022 and she is keen to develop a busy practice comprising of all areas of family law.

Rebecca has been appointed to the Junior Members’ Committee at Lincoln’s Inn.

When Rebecca is not working, she enjoys snowboarding, shopping and walking her dog, Billy.

 

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