British nationality letters

The Foreign, Commonwealth and Development Office provides standard letters to explain UK laws about British nationality to local authorities when you’re abroad. This includes confirmation of British nationality and dual nationality.

If you’re asked to provide proof of a UK law when you’re abroadabroad, download the relevant letter. If your country or territory is not listed, use the ‘All countries and territories’ letter.

You can get a signed and stamped version of a letter, which costs £50.

Dual nationality permitted

If you’re asked to provide proof of UK law about dual nationality download the relevant letter.

All countries and territories: dual nationality

PDF, 302 KB, 1 page

Azerbaijan: dual nationality

PDF, 15.4 KB, 1 page

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Bahrain: dual nationality

PDF, 397 KB, 1 page

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Belarus: dual nationality

MS Word Document, 200 KB

Belgium: dual nationality

PDF, 187 KB, 2 pages

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Hong Kong: dual nationality

PDF, 474 KB, 1 page

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Laos: dual nationality

PDF, 76.5 KB, 1 page

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Malaysia: dual nationality

PDF, 233 KB, 1 page

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Oman: dual nationality

PDF, 276 KB, 1 page

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Russia: dual nationality

PDF, 533 KB, 4 pages

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South Africa: dual nationality

PDF, 25.1 KB, 1 page

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Switzerland: dual nationality

PDF, 124 KB, 1 page

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Confirmation of British nationality unavailable

British embassies, high commissions and consulates cannot confirm British nationality. If you’re asked to provide proof of this download the relevant letter.

Azerbaijan: confirmation of British nationality

PDF, 16.2 KB, 1 page

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Belarus: confirmation of British nationality

MS Word Document, 203 KB

Hong Kong: confirmation of British nationality

PDF, 482 KB, 1 page

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Lebanon: confirmation of British nationality

PDF, 192 KB, 1 page

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Russia: confirmation of British nationality

PDF, 548 KB, 4 pages

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Switzerland: confirmation of British nationality

PDF, 163 KB, 1 page

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Renouncing British citizenship

If you’re asked to provide proof of UK law about renouncing British citizenship download the relevant letter.

Brunei: renounciation of British citizenship

PDF, 187 KB, 1 page

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Russia: renouncing British citizenship

PDF, 542 KB, 4 pages

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No objection to change of nationality unavailable

The British Embassy cannot issue a no objection letter to a British person who wants to change the nationality on their Saudi residence permit (Iqama). If you’re asked to provide proof download this letter.

Saudi Arabia: change of nationality

PDF, 44.8 KB, 1 page

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If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email fcdo.correspondence@fcdo.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.