Becoming a British citizen through naturalisation is the final stage of your immigration journey. It allows you to hold a British passport, vote in UK elections, and live here without immigration restrictions. At Gentili Stark, our naturalisation solicitors in London guide clients through every step — from checking eligibility to preparing a flawless application and attending the Citizenship Ceremony.
Do I Need to Apply for a British Passport?
There’s no legal obligation to apply for a British passport once you qualify, but many people choose to do so as a symbol of security and belonging. If you’ve lived in the UK legally for more than five years (or three years if you’re married to a British citizen), you may be eligible to naturalise as a British citizen.
British nationality is not an automatic entitlement; it’s granted at the Home Secretary’s discretion. Meeting the published requirements strengthens your case, but each application is considered on its own merits. Our solicitors make sure your evidence and legal arguments are presented clearly to maximise approval prospects.
How to Make a Naturalisation Application
To apply, you must show that you are free from immigration time restrictions — meaning you hold one of the following:
- Indefinite Leave to Remain (ILR)
- Settled Status under the EU Settlement Scheme
- Permanent Residence status (for older EEA applications)
If you’re not married to a British citizen, you’ll usually need to have held ILR or Settled Status for at least 12 months before applying.
You must also demonstrate that you:
- Are aged 18 or over
- Intend to make the UK your permanent home
- Have sufficient English (B1 level or higher)
- Have passed the Life in the UK Test
- Are of good character
- Meet the residency and absence limits for your qualifying period
Our lawyers will review your absences, help mitigate any excess time spent abroad, and advise on discretionary waivers where appropriate.
Documents Required for a Naturalisation Application
A strong application depends on thorough documentation. You’ll need to provide:
- Proof of identity – passport(s) and biometric residence permit
- Evidence of ILR, Settled Status, or Permanent Residence
- English language certificate or UK degree taught in English
- Life in the UK Test pass certificate
- Full record of travel outside the UK during the qualifying period
- Evidence of employment, study, or self-employment
- Two referees who have known you for at least three years (one professional, one British citizen aged over 25)
- If married to a British citizen – marriage or civil partnership certificate
- For EEA or Swiss nationals – proof of treaty rights or confirmation of Settled Status
The British Citizenship Ceremony
Once your application is approved, you’ll receive an invitation to attend a Citizenship Ceremony, usually organised by your local council. You must attend within three months of the invitation (extensions can be granted in special cases).
At the ceremony, you’ll:
1. Take an Oath of Allegiance or Affirmation to His Majesty The King.
2. Make a pledge of loyalty to the United Kingdom.
3. Receive your Certificate of Naturalisation and a welcome pack.
Group ceremonies cost £80, and private ceremonies can be arranged on request. This event marks the formal moment you become a British citizen — a celebration of belonging and shared values.
Is Dual Citizenship Allowed in the UK?
Yes. The UK permits dual or multiple citizenship, meaning you don’t have to give up your original nationality. However, some countries restrict or forbid dual nationality, so it’s important to check your home country’s laws or consult its embassy before you apply. Our team regularly advises clients on how dual nationality may affect passports, tax, and travel obligations.
How We Help
Naturalisation is both a legal and emotional milestone. Our London-based citizenship solicitors support you at every stage:
- Assessing eligibility and absence calculations
- Advising on discretionary criteria
- Preparing and submitting the full application package
- Liaising with the Home Office on your behalf
- Assisting with appeals or reconsiderations if your application is refused
