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You can apply for naturalisation as a British Citizen 12 months after the grant of your Indefinite Leave to Remain (ILR) by virtue of section 6(1) of the British Nationality Act 1981. An application for naturalisation as a British Citizen is made using application form AN.

Eligibility Requirements For Naturalisation As A British Citizen Under Section 6(1)

You can apply for British citizenship by naturalisation under section 6(1) of the British Nationality Act 1981 if:

And you must usually have:

  • lived in the UK for at least the 5 years before the date of your application
  • spent no more than 450 days outside the UK during those 5 years
  • spent no more than 90 days outside the UK in the last 12 months
  • had settlement (‘indefinite leave to remain’) in the UK for the last 12 months if you’re from outside the European Economic Area (EEA)
  • had permanent residence status for the last 12 months if you’re a citizen of an EEA country – you need to provide a permanent residence document

Good Character Requirement For Naturalisation As A British Citizen

An applicant for naturalisation as a British Citizen must satisfy the good character requirement to succeed in his application. The British Nationality Act 1981 does not define good character. However, the Home Office UKVI guidance sets out the types of conduct which must be taken into account when assessing whether a person has satisfied the requirement to be of good character. Consideration should be given by the Home Office caseworker to all aspects of a person’s character, including both negative factors, for example criminality, immigration law breaches and deception, and positive factors, for example contributions a person has made to society.

Future Intention Requirement

If applicants say their intention is to have their principal home in the UK, the Home Office UKVI should accept that they meet the requirement if they:

  • meet the residence requirements, without the need to exercise any discretion over excess absences other than up to 30 day
  • have an established home here
  • have been, or intend to be, absent from the UK for not more than 6 months
  • the absence was, or will be, clearly temporary
  • if it is an intended absence, Home Office should be satisfied they intend to return to the UK
  • they have maintained an established home here where any close family who have not accompanied them abroad have continued to live
  • there is no information to cast doubt on their intention, for example, either:
    • a partner who is or intends to live outside of the UK
    • a recent absence from the UK for a period of 6 months or more

For Home Office UKVI to exercise discretion in relation to this requirement, the Home Office caseworker must be satisfied that the applicant has an established residence, family and a substantial proportion of any estate here.

European Economic Area (EEA) Nationals And Swiss Nationals

Being an EEA National or Swiss national, you should either have a permanent residence card or settled status under the EU settlement scheme before you can apply for naturalisation as a British Citizen.

Two Referees For Naturalisation As A British Citizen

The naturalisation application Form (AN) requires an applicant to be supported by two referees. One referee must be a person of professional standing and the other must be the holder of a British citizen passport and either a professional person or over the age of 25.

How We Can Help?

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

  • We will assess your eligibility for naturalisation 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 naturalisation 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 naturalisation 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 naturalisation as a British Citizen;
  • We will complete application form AN online, submit the same online, help you pay the Home Office UKVI fee for naturalisation as a British Citizen and schedule your appointment with the UKVCAS appointment centre for enrolment of your biometrics;
  • We will prepare a detailed cover letter in support of the application explaining in detail your eligibility for naturalisation 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 naturalisation as a British Citizen until a decision is received from the Home Office UKVI on your application.

Our Fixed Fee For Naturalisation As A British Citizen

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

Our Service Our Fee
Full service for naturalisation as a British Citizen to  cover all the work until decision by the Home Office UKVI From £800 + VAT To £5,000 + VAT

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

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Lauren Penn
22 September 2026
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Omar Naviwala was excellent. He provided advice for my upcoming ILR application. He was patient, thorough, professional and generous with his time. I cannot recommend enough.
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Pranav Kp
21 September 2026
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great experience
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Aws
21 September 2026
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I don’t usually leave reviews like this at all, but I couldn’t not leave one for sunrise solicitors and particularly Mr Rizwy for all the time, effort and patience they had working on my case and providing me with the service that they did. I am very particular about details, especially with something this important, and my case involved a huge amount of evidence, documents and information that needed to be properly understood rather than just read through because it was extremely personal and the case is about more than just paperwork. I asked a lot of questions and raised things to him repeatedly when I was worried about them, and sent a massive amount of material for him to deal with. At no point did I feel like I was being rushed, ignored or treated as difficult. If I raised something, he listened to it. If something needed checking, he checked it. And when I needed something explained, he explained it properly rather than giving me a vague answer and moving on. That’s probably what I appreciated the most working with sunrise solicitors. I am extremely grateful to Mr Rizwy and everyone at Sunrise Solicitors for the amount of work they put into my case and for the patience they showed me throughout. I have been dealing with this matter for a long time, so having a solicitor I could actually trust with it meant a great deal to me. I have nothing but positive things to say about the way they handled my case.
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Shayanta Laskar
21 September 2026
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I had a really positive experience with Usman Ahmad at Sunrise Solicitors, who handled my British citizenship application under the supervision of Amir Naviwala. Usman was very approachable, responsive and easy to deal with throughout the whole process. He kept me updated, answered all of my questions clearly and made sure everything was in order before the application was submitted. I also really appreciated how quickly he would contact me whenever there was an update. I would also like to thank Amir Naviwala for supervising the case and helping to make sure everything was handled properly. My application was approved very quickly and the Home Office did not ask for any further information, which gave me a lot of confidence in how well the application had been prepared. I would definitely recommend Usman, Amir and the team at Sunrise Solicitors to anyone looking for reliable and professional immigration support.
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Isabelle Lott
21 September 2026
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Prompt, thorough advice offered in a kind and reassuring manner. I am very grateful to Mr Amir Naviwala for his efficient, professional and timely responses. I happily recommend Sunrise solicitors.
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Abhineet Singh
18 September 2026
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⭐⭐⭐⭐⭐ Outstanding Service for My ILR Application Today I received the news that my ILR application has been granted, and I wanted to take a moment to thank Usman Ahmad and the entire team at Sunrise Solicitors. I have dealt with many professionals over the years, but what stood out about Usman was that I never felt like just another case number. Throughout the process, he was patient, honest, and always willing to answer my questions, no matter how small they seemed. Immigration applications can be stressful because so much depends on getting things right, but having someone knowledgeable and dependable in your corner makes a huge difference. What I appreciated most was the confidence and reassurance he provided from start to finish. Every document, requirement, and query was handled professionally, which allowed me to focus on my family and work without constantly worrying about the application. Receiving my ILR approval today is an important milestone for me and my family, and I genuinely appreciate the support Usman provided in helping me reach it. My wife, daughter, and son will be making their applications in the future, and I already know who I will be instructing. I will definitely be returning to Usman and Sunrise Solicitors for their applications. Thank you once again for your dedication, professionalism, and support throughout my journey. Highly recommended.
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Rosetta Crawford
17 September 2026
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Usman Ahmad was very good for advise on ilr application date. Thank you
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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.