Nic specialises in family and criminal law. He has a determined commitment to achieving the best possible results for his clients using thorough analysis, preparation and presentation of the facts, with a commitment to meeting dates for the return of paperwork.
He is known for his determined, approachable and pleasant manner with both clients and professionals whilst maintaining a professional standard which has been vital in dealing effectively with a diversity of people and issues.
Nic is qualified to undertake Public Access work.
Criminal Law
Nic’s criminal practice includes both Prosecution and Defence work and he has trial experience encompassing a variety of criminal areas which has included:
- Representation of defendants in serious child abuse trials involving historic allegations of rape involving the cross examination of vulnerable child and adult witnesses
- Multi handed defence work trials for both the prosecution and defence in serious violence and drug conspiracy matters involving class A controlled drugs and subsequent POCA 2002 applications
- Assaults including racially aggravated offences involving legal argument as to the definition of what constitutes racially aggravated offences for the purposes of the Crime & Disorder Act 1998
- Applications and appeals with regards to operator’s licences before the Traffic Commissioner and private criminal prosecutions on behalf of the Department for Environment and Rural Affairs which have extended into European Community Law and Competition Law
- Relevant experience of cross examining experts in a variety of fields from road traffic matters, to psychiatric assessments and forensic examination of scenes of crime in matters of arson with intent to endanger life
- Dwelling house burglaries, including group distraction burglary’s involving covert surveillance
- Representation of a defendant charged with conspiracy to defraud involving the sale of false celebrity autographs which was subject to national press and news coverage
Nic is a Category 3 Prosecutor for the Crown Prosecution Service.
Nic has appeared in both the Divisional and Administrative Court and in the Court of Appeal representing appellants and respondents. He was privileged to represent the appellant in the case of R v Hughes which was the first case to be heard by the Administrative Court sitting at Swansea dealing with the issue as to whether the questioning by a police officer of a suspect in the circumstances of the case amounted to an interview.
Nic is CPD accredited by the Bar Council and has delivered lectures and updates on matters including Inheritance (Provision for Family Dependants) Act 1975 claims; Criminal Justice & Immigration Act 2008; and Cohabitee Disputes.
Family Law
Nic has developed a wide experience in all aspects of child care proceedings which has involved serious and complex cases representing Parents, Local Authorities and Children’s Guardians from first appointment direction hearings to final hearing.
His family law practice in Children Act 1989 matters has involved issues including:
- Sexual abuse and non-accidental injuries including cases where there has been the resultant death of very young children
- Serious domestic violence where there has been the alleged sustained use of weapons
- Specialist assessment of the voracity of evidence provided by children with regards to allegations of domestic violence and sexual abuse from Best Practice Interviews
- Issues surrounding attachment disorders in children including inter-sibling and parental attachments requiring specialist assessment and treatment
- In depth analysis of local authority assessment and decision making processes in relation to the placement of children with foster carers, permanent family member placements and adopters from adoption agency panel to the principal officer
- Cases involving specific cultural and religious issues
- Representation of clients, which has required the assistance of the Official Solicitor
- Residence and contact disputes including intractable contact cases where psychological and psychiatric assessment and enforcement issues are involved
- Cases involving the appointment of a rule 9.5 Children’s Guardian given the implacable hostility between the parties and complexity involved in the case
Nic receives instructions in a range of ancillary relief proceedings, including matrimonial and cohabitee property disputes involving substantial assets. He is experienced in all aspects of financial provision following the breakdown of a marriage including disputes involving pensions, dissipation of assets, and provision for children.
R v Barrett [2009] EWHC 423
R v Kolombo [2009] EWCA Crim 2378
Hughes -v- DPP [2009] EWHC 515 (Admin)
University of Wales, Cardiff
Category 3 Prosecutor for the Crown Prosecution Service
Nicholas is ranked Band 1: Family in the Chambers & Partners Directory 2025.
Nicholas was also recommended in the Legal 500 2022, 2023, 2024 as a leading junior in Child Law (Public and Private) on the Wales and Chester Circuit:
Nicholas is ranked Band 2 in the Chambers & Partners 2025 Directory:
“Nicholas is an excellent and experienced barrister.” (2024)
“Mr Sefton always establishes an excellent rapport with clients. He is an extremely skilled and confident advocate.” (2024)
‘Nic’s written and oral work is exceptional and he is highly regarded by the judiciary for all aspects of his work. He is a very competent and articulate advocate who is always fully prepared for the case. He works for Local Authorities and for parents with equal enthusiasm and vigour. He gives sound objective evidence and his knowledge of the Family Procedure Rules is outstanding.’
‘He is an extremely effective advocate with a depth of tactical, practical and legal knowledge which means he provides solutions to any complexity within a case. His client care is commendable and clients feel confident in his ability to represent them in difficult and highly emotional cases and reassured by his logical and calming influence. The judiciary’s clear trust in him makes him an effective and successful advocate. (Legal 500, 2023 ranked Tier 1)
“Nic is an experienced and passionate advocate who is extremely effective at presenting complex legal arguments. He is exceptionally intelligent and always focused on achieving the right outcome. He has always achieved the balance of being a powerful advocate whilst remaining calm under pressure, a skill which in enviable for many in the profession.” (Legal 500, 2022 ranked Tier 1)