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You can register child as british citizen under the age of 18 as a British citizen if your child meets the relevant requirements of BNA 1981. An application for registration of your child as a British citizen can be made using application form MN1. Our specialist team of nationality law solicitors can provide expert immigration advice and representations for registration of your child as a British citizen.

Relevant Sections Of BNA 1981 For Registration Of Child As A British Citizen

Children who are under the of 18 years (minors) can apply to the Home Office for registration as British citizens (MN1 Application) under the following sections of the British Nationality Act 1981. Once a child reaches age 18 they will have to apply to naturalise using form AN.

  • Section 1 (3) birth in the UK to parents who are now settled in the UK or have become British citizens;
  • Section 1 (3A) birth in the UK to parents who have joined the armed forces;
  • Section 3 (1) child whose parents are applying for British citizenship;
  • Section 3 (2) birth abroad to parents who are British by descent and have lived in the UK or a British overseas territory;
  • Section 3 (5) birth abroad to parents who are British by descent but are now living in the UK or a British overseas territory;
  • Section 3 (1) children adopted abroad by British citizen parents;
  • Section 3 (1) children whose parents had renounced and subsequently resumed British citizenship;
  • Section 3 (1) any other case not listed below where it is considered to be in the child’s best interests to be granted British citizenship;
  • Section 4D birth abroad to parents serving in the armed forces.

How We Can Help?

Our expert team of nationality law solicitors in London can represent you in your application for registration as a British Citizen and carry out all the work on your British Citizenship application until a decision on your application is received from the Home Office UKVI. As part of our professional legal services in relation to your application for registration as a British Citizen, our specialist team of immigration solicitors will carry out the following immigration casework:

  • We will assess your eligibility for registration as a British Citizen by considering all the relevant information including your past immigration history;
  • We will advise  you on the chances of success in your application for registration as a British Citizen and would draw your attention to any weaknesses in your application;
  • We will advise you on the list of documents to be submitted in support of your application for registration as a British Citizen;
  • We will assess all the supporting documents to ensure that the documents you provide duly satisfy the Home Office UKVI requirements for registration as a British Citizen;
  • We will complete the relevant application form online for your registration as a British citizen, submit the same online, help you pay the Home Office UKVI fee for the application and schedule your appointment with the application centre for enrolment of your biometrics;
  • We will prepare a detailed cover letter in support of the application explaining in detail your eligibility for registration as a British Citizen by referring to all the relevant information, documents, laws and requirements;
  • We will upload all the supporting documents online to be considered in support of the application including our cover letter prepared to support your application;
  • We will carry out all the work on your application for registration as a British Citizen until a decision is received from the Home Office UKVI on your application.

How Much We Charge?

Unless your application is very complicated, our fees for an application for registration as a British Citizen are given in the fee table below:

Our Service Our Fee
One-off immigration consultation/advice for registration as a British Citizen £80 (inclusive of VAT)
One-Off Application Checking Service / Documents Assessment £240 (inclusive of VAT)
Full service for registration as a British Citizen to cover all the work until decision by the Home Office UKVI From £700 + VAT To £5,000 + VAT

The agreed fixed fee will depend on the complexity of your registration application and the volume of casework involved in the application. In addition to our fixed fee for registration application, the applicant will also have to pay the Home office UKVI fees for the registration application.

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Sunny Ebegbare
11 September 2026
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I recently completed the second 2.5-year extension of my residency with Sunrise Solicitors. Mr Asif Rizwy handled both extensions and was professional, proactive, and genuinely invested in my case. His guidance and attention to detail played an important role in the success of my application. What stood out most was that working with Mr Asif felt like working with someone who truly cared about the outcome. Thank you, Mr Asif and Sunrise Solicitors. I would also like to thank Ritvee at Sunrise Solicitors. Her calm, reassuring manner when speaking with clients made me feel confident that I was in the right place. Thank you, Ritvee. I would highly recommend Sunrise Solicitors to anyone looking for professional, supportive, and reliable immigration legal services.
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megan
10 September 2026
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Usman Ahmad I had a consultation with him and he was incredibly helpful, knowledgeable, and reassuring throughout. He took the time to listen carefully to my situation, answered all of my questions clearly, and explained everything in a way that was easy to understand. I came away from the call feeling much more confident about what I needed to do next. Really professional and approachable — I would definitely recommend him to anyone looking for immigration advice.
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Imran Hashmi
10 September 2026
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Usman Ahmad and Miss Jerin at Sunrise Solicitors were efficient, prompt and highly professional throughout a complex case involving past visa refusals. They requested all necessary documents, compiled the case thoroughly and handled everything with confidence. If you have a complex situation or previous refusals, I would highly recommend Sunrise Solicitors. They will also be handling our future visa applications.
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K Gayatri
8 September 2026
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Usman Ahmad was really helpful
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Tharma Kandiah
7 September 2026
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I am very grateful for the support and guidance provided by Mr. Asif during my spouse visa application. The service was outstanding, and everything was handled efficiently. Thank you for your help.
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Maryam
7 September 2026
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I had a consultation appointment with them about some issues in my skilled worker visa application and leave to remain and I received very useful advice. Thank you
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roy
4 September 2026
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Thank you. Very helpful !
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Esha Jameel
3 September 2026
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I had an excellent experience with Sunrise Solicitors. I want to thank Muhammad Maaz for his outstanding work. He was highly professional, listened carefully to all my requirements, and handled my case smoothly. I am very grateful for his support and highly recommend his services.
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Mohamed Alsadek
3 September 2026
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Got Great Advice and lots of support, thank you so much
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Yas Iman
2 September 2026
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We cannot thank this firm enough for their exceptional service regarding my mother’s naturalisation application. From start to finish, the team was professional, knowledgeable, and supportive. We had the absolute pleasure of working with Tariq throughout this matter, and his expertise, guidance, and attention to detail were truly invaluable. We are beyond delighted with the wonderful outcome and the successful grant of her application. If you are looking for dedicated and reliable legal representation, look no further. Highly recommended!