What you need to Know

To get a CNI, make an appointment at your local register office to give notice of your marriage.

Contact your local register office to find out what you need to do if you live in ScotlandNorthern IrelandIsle of ManJersey or Guernsey.

You’ll need to bring certain documents with you to your appointment.

Your notice will be publicly displayed in the register office for 28 days. You can collect your CNI after this if nobody registers an objection.

It costs £35 to give notice and get a CNI.

You must download and fill in the CNI application pack to exchange your UK-issued CNI for one that’s valid in Spain. The pack contains a list of the documents you’ll need.

Send the form and documents by courier to the address in the application pack.

The consulate will issue your CNI and send it to you with your original documents by courier. You’ll usually get your CNI 30 working days after the consulate receives your form and documents.

Your new CNI will be valid for 6 months from when your original CNI was issued.

It costs £50 to exchange your CNI. You’ll need to pay in the local currency by card. Fill in the payment form in the pack.

Get a marital status certificate (‘certificado de estado civil/soltería’)

Download and fill in the marital status certificate application pack – it contains a list of the documents you’ll need. The certificate costs £50. You’ll need to pay in the local currency by card. Fill in the payment form in the pack.

You must sign the affirmation in the application pack in front of a local notary public in Spain. They’ll charge you a fee.

Send the form and documents by courier to the address in the application pack.

The consulate will send your certificate and original documents to you by courier. You’ll usually get your certificate 30 working days after the consulate receives your form and documents.