You may be eligible if you were:

Recent changes to the law have created many more opportunities for children to acquire British citizenship through a father or mother, including adopted children and children of unmarried parents. There are hundreds of ways to potentially qualify through a parent or grandparent or colonial connection. Each situation has to be assessed individually.

We can assess your eligibility for UK citizenship...

List of British territories, past and present

The birth, registration, naturalisation or any other events must have taken place by the date specified in “( )”

Aden, colony, State of and protectorate of, later part of Yemen (to 29 Nov 1967)
Amoy, later Xiamen China (to 16 Sep 1930)
Anguilla (continuing)
Antigua and Barbuda (to 26 Feb 1967)
Ascension Island (to 26 Oct 1922)
Ashanti – part of Gold Coast (to 5 Mar 1957)
Ashmore and Cartier Islands (to 31 Dec 1948)
Ashmore Islands (to 2 May 1934)
Aubad Island (to 26 Jun 1960)
Bahamas (to 9 Jul 1973)
Barbados (to 29 Nov 1966)
Basutoland, later Lesotho (to 3 Oct 1966)
Bechuanaland Protectorate, later Botswana (to 29 Sep 1966)
British Honduras, later Belize (to 20 Sep 1981)
Bermuda (continuing)
British Antarctic Territory (continuing)
British Burma, later Burma and Myanmar (to 3 Jan 1948)
British Guiana (later Guyana) (to 25 May 1966)
British Indian Ocean Territory (continuing)
Brunei (to 31 Dec 1983)
Cameroons – British, later part of Nigeria (to 30 Sep 1961)
Cartier Island (to 2 May 1934)
Cayman Islands (continuing)
Ceylon, later Sri Lanka (31 Dec 1948)
Channel Islands – Jersey, Gurnsey, Sark and dependencies (continuing)
Christmas Island (Indian Ocean) (to 30 Sep 1958)
Christmas Island (Pacific Ocean) (to 27 Nov 1919)
Cyprus (to 9 Aug 1960)
Cyprus, Akrotiri and Dhekelia, British military bases (continuing)
Dominica (to 28 Feb 1967)
The Falkland Islands and dependencies (continuing)
Fanning Island (to 18 May 1916)
Federation of Rhodesia and Nyasaland (Central African Federation) – see Northern Rhodesia and Nyasaland Fiji (to 9 Oct 1970)
Gambia, Colony and Protectorate of (to 17 Feb 1965)
Gan Island (to 29 Mar 1976)
Gibraltar (continuing)
Gilbert and Ellice Islands, later Kiribati and Tuvalu (to 11 Jul 1979)
Gold Coast Colony, Ashanti and protectorate, later Ghana (to 5 Mar 1957)
Grenada (to 21 Feb 1967)
Heard and McDonald Islands (to 31 Dec 1948)
Hong Kong (to 30 Jun 1997)
India: independent India, Pakistan or British India (to 31 Dec 1948)
Isle of Man (continuing)
Jamaica (to 5 Aug 1962)
Kenya, Colony and Protectorate of (to 11 Dec 1963)
Kuria Muria Islands (to 29 Nov 1967)
Labuan, later part of Malaysia (to 14 Jul 1946)
Lawas River, later part of Malaysia (to 15 Sep 1963)
Leeward Islands (to 1 Jan 1960)
Line Islands (to 11 Jul 1979)
Malacca, later part of Malaysia (to 30 Aug 1957)
Malaya, later Malaysia (Malay States, Penang, Malacca, Labuan, Dindings, Province Wellesley) (to 30 Aug 1957)
Malta (to 20 Sep 1964)
Mantanani Islands (to 15 Sep 1963)
Mauritius (to 11 Mar 1968)
Montserrat (continuing)
Nigeria, Colony and Protectorate of (to 30 Sep 1960)
Norfolk Island (to 31 Dec 1948)
Northern Rhodesia, later Zambia (to 23 Oct 1964)
Northern Territories – part of Gold Coast (to 5 Mar 1957)
Nyasaland Protectorate, later Malawi (to 5 Jul 1964)
Pakistan, British India or independent India (to 31 Dec 1948)
Papua, later part of Papua New Guinea (to 31 Dec 1948)
Penang Island, later part of Malaysia (to 30 Aug 1957)
Perim Island (to 29 Nov 1967)
Phoenix Islands (to 17 Mar 1937)
Pitcairn and dependencies Ducie Island, Henderson Island, Oeno Island (continuing)
Prince Edward Islands (to 3 Jan 1948)
Ross Dependency (to 31 Dec 1948)
Sabah, British North Borneo, later part of Malaysia (to 15 Sep 1963)
Saint Helena and its dependencies Gough Island, Inaccessible Island, Nightingale Island and Tristan da Cunha (continuing)
Sarawak, later part of Malaysia (to 15 Sep 1963)
Seychelles (to 28 Jun 1976)
Sierra Leone, Colony and Protectorate of (to 26 Apr 1961)
Singapore (to 2 Jun 1959)
Somaliland, State of – formerly British Somaliland (to 26 Jun 1960)
South Arabia, Protectorate of, later part of Yemen (to 29 Nov 1967)
South Georgia and the South Sandwich Islands (continuing)
South Sandwich Islands (to 31 Aug 1908)
Southern Nigeria, Colony of (to 30 Sep 1960)
Southern Rhodesia, later Zimbabwe (to 31 Dec 1948)
St. Christopher and Nevis (to 26 Feb 1967)
St. Lucia (to 28 Feb 1967)
St. Vincent (to 26 Oct 1969)
Straits Settlements, later part of Malaysia or Singapore (to 31 Mar 1946)
Swaziland (to 6 Sep 1968)
Tanganyika Territory, later Tanzania (to 8 Dec 1961)
Togoland, British (to 5 Mar 1957)
Tokelau Islands (to 12 Sep 1948)
Trinidad and Tobago (to 30 Aug 1962)
Turks and Caicos Islands (continuing)
Uganda, Protectorate of (to 8 Oct 1962)
The Virgin Islands, British (continuing)
Washington Island (to 18 May 1916)
Wei-Hai-Wei (Weihai Garrison or Port Edward), later Weihei China (to 30 Sep 1930)
West Indies Federation (to 31 May 1962)
Windward Islands (to 1 Jan 1960)
Zanzibar (Sultanate), later part of Kenya and Tanzania (to 9 Dec 1963)

The birth, registration, naturalisation or any other events must have taken place by the date specified in “( )”

Examples of British nationals born outside the UK

Below is a list of situations that we commonly encounter and which in many cases lead to the person successfully proving or obtaining British citizenship.

Descendent of someone born in the UK or an existing British overseas territory:

A person with a parent or grandfather born or adopted in the UK or an existing British Overseas Territory. Many such people live in Canada, The United States, Australia, New Zealand and South Africa.

Descendent of someone born or resident in a former UK territory:

A person or their father or paternal grandfather who was born or resident in a former colony, protectorate, mandated or trust territory of the UK: see above +List of British territories, past and present. Many such people now live or once lived in these countries:


Countries that were British colonies in the Caribbean or West Indies.

Middle East:

The Southern area of Yemen – Aden and the former Aden protectorate.

West Africa:

  • Ghana (formerly Gold Coast)
  • Nigeria
  • Sierra Leone
  • The Gambia

East Africa:

  • Tanzania (formerly Tanganyika and Zanzibar)
  • Uganda
  • Kenya

Southern Africa:

  • South Africa
  • Lesotho (formerly Basutoland)
  • Botswana (formerly Bechuanaland)
  • Swaziland
  • Namibia (formerly South West Africa)
  • The former Federation of Rhodesia and Nyasaland
  • Zimbabwe (formerly Southern Rhodesia)
  • Zambia (formerly Northern Rhodesia)
  • Malawi (formerly Nyasaland)

South Asia:

  • Sri Lanka (formerly Ceylon)
  • Myanmar (Burma)
  • Malaysia (formerly Malaya, the Straits Settlements, Sarawak and Sabah (Borneo), Dindings, Province Wellesley)

How Passportia Works

Our preliminary service entails completing a comprehensive evaluation and report, before preparing any application for the relevant authorities. Here, we ask you, the client, to provide the necessary details of your ancestry for us to determine your eligibility within 10 working days.

In the event of the evaluation yielding a positive outcome, we will email the comprehensive report plus a proposal and quotation to you.  Our services aim to make the process of application as simple as possible. You will be working closely with our dedicated British caseworking department to ensure the success of your submission. 

As part of our representation, you will be issued with a personalised document checklist, and we will guide you through your application process. Following the decision by the relevant government department, you would receive your citizenship certificate and/or passport.

Our services are of an excellent standard and we have a very high satisfaction rating from past customers (see our Google reviews). Our work is normally done to a fixed price quotation. 

Don't hesitate, start your assessment by completing the form below!


  • A citizenship law specialist
  • Successful with complex claims
  • Supporting multiple countries
  • Fast, flexible and precise

My new British Passport has arrived. I just wanted to thank you for your professional service and efficiency. Mission accomplished now.

R.D. - Cape Town , South Africa