Nationality Checking Service (NCS)

About our optional service where we can check your application if you are applying for British citizenship.

1 What is the checking service?

The Nationality Checking Service is an optional service if you are applying for British citizenship.

We check that you have completed your citizenship application correctly, ensure you have enclosed the correct fee, provide certified copies of your original documents, so that you can keep the originals, and send your application by secure post to UK Visas and Immigration.

We cannot check applications for EEA (European Economic Area) Permanent Residence Cards - for details see the GOV.UK website.

2 Before you make an appointment

Make sure you have:

  • completed the paper application for naturalisation as a British citizen form (each applicant must complete a separate UK Visas and Immigration application form)
  • gathered all the relevant supporting documents (detailed in the relevant application form)
  • a valid credit or debit card, as a non-refundable payment will be taken in order to confirm your appointment.

3 Where to go

The Nationality Checking Service can be completed at Crawley register office.

Alternatively, you may book your appointment at any other local authority in England that offers a checking service for UK nationality applications.

4 Book an appointment

Book your appointment online (external link)

Alternatively you can book an appointment by phoning 01243 642122.

This is a checking service only and we do not provide general immigration advice. Details on how to complete the form can be found on the Home Office's UK Visas and Immigration website.

Checking fees

Each applicant is charged a fee of £88.00, irrespective of whether they are an adult or a child. This does not include the UK Visas and Immigration fee.

Last updated:
1 April 2018

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