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Additional Resources

Nationality checking service

We can help to reduce unnecessary delays when applying for British citizenship.

Applying to become a British citizen

If you are applying for naturalisation as a British citizen you will need to show that you know about life in the UK. You must do this in two ways:

  • by taking the Life in the UK Test and
  • by having a speaking and listening qualification in English at B1 CEFR or higher, or an equivalent level qualification.

For more information about the test and the classes, visit Life in the UK »

Enquiries about your application progress or the decision should be made to the Home Office. If you require further advice, you should contact the Home Office via Home Office - UK Border Agency »

How we can help

We can make sure that your form is correctly filled in, your application is validly submitted and that the requirements for citizenship are met. This helps reduce unnecessary delays when applying for British citizenship. Completed applications are checked for accuracy (with the correct documents and fees) and are usually resolved quicker than incomplete applications.

Our advisers are trained and registered to check and send your application. They will:

  • photocopy and certify your passport and other valuable documents so these remain in your possession 
  • send your application and correct fee to the Home Office by special delivery post

Using the NCS is optional. You can also apply directly to the Home Office or use a solicitor or other agent.

The NCS does not offer:

  • a priority service
  • advice on nationality or documents required other than in relation to the completion of the application form
  • advice on other matters such as visas, immigration or asylum
  • we cannot act as agents for the applicant.
Enquiries about your application progress or the decision should be made to the Home Office. If you require further advice, you should contact the Home Office via their website.

Our advisers are registered with the Office of the Immigration Services Commissioner (OISC), an independent body established by parliament, which regulates organisations offering services of this kind.

Make an appointment

Nationality Checking Service fee policy

Payment in advance of your appointment is required by credit or debit card.

  • Adult: £60
  • Child: £30

Payment in advance of your appointment is required by credit or debit card. Two full working days notice must be given to re-arrange an appointment and two full working days notice are also required to cancel any appointment before a refund will be considered.

There will be no refund for non-attendance or if the appointment is abandoned by the Registrar.

The London Borough of Hillingdon will not accept responsibility for any loss of fees paid in respect of the checking service or to the Home Office, should you decide to send your application through the Nationality Checking Service against the recommendation of the Nationality Checking Officer.

Furthermore, fees will not be refunded in the event that your application is either refused by the Home Office or is withdrawn by you.

Documents you need to bring

Type of applicationWhat you need to bring
Single adult application
  • Passport/Travel Document to cover past 5 years (if passport or travel document does not cover past 5 years you will require alternative evidence, see below)
  • Life in the UK test pass
  • If not from a majority English-speaking country, a language qualification. This can be an ESOL certificate, minimum level Entry 3, or a degree certificate. If the degree was taken abroad you need confirmation from UK NARIC of the level of English.
  • Confirmation of indefinite leave to remain (held for 12 months or more)
Joint adult application - husband and wifeFor this you will need all of the above as well as:
Marriage/Civil Partnership Certificate (accompanied by an official translation if not in English).
Single adult application - married to a British citizen
  • Passport/travel document to cover past 3 years (if passport or travel document does not cover past 3 years you will require alternative evidence)
  • Life in the UK test pass
  • If not from a majority English-speaking country, a language qualification. This can be an ESOL certificate, minimum level Entry 3, or a degree certificate. If the degree was taken abroad you need confirmation from UK NARIC of the level of English.
  • Confirmation of indefinite leave to remain
  • Marriage/civil partnership certificate (accompanied by an official translation if not in English)
  • Husband's/wife's British passport or naturalisation certificate
If you are an EEA National you must exercise your treaty rights. If you are an A8
EEA nationaI (entered the EU in 2004) and are working, you must have the Workers Registration. If you are a student you must have Comprehensive Sickness Insurance. Failure to do so will result in a failed application.
Alternative evidence for adults
  • P60's
  • Letter from employer
  • Letter from College/University
  • Statement of taxes from Inland Revenue
  • Child/Family tax credit statement
  • Child benefit letter
  • Jobseekers allowance letter
  • Income support letter
  • Housing association letter
Minor documents required
  • Passport/travel document to cover past 2 years (if passport or travel document does not cover past 2 years you will require alternative evidence)
  • Confirmation of indefinite leave to remain for child and parent
  • Birth certificate
  • If the child was born abroad, the UKBA will need in addition the passport of entry into the UK.
  • School letter to cover past 2 years for children over 13 years old
  • Marriage certificate (if father is applying for child, accompanied by an official translation if not in English)
Alternative evidence for minor (to cover past 2 years)
  • School letter
  • Child benefit letter
  • Child tax credit

Further information

Further information on becoming a British Citizen and application forms for British Citizenship can be viewed at the Home Office - UK Border Agency.

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