Transit without visa' concession in UK - Direct Airside Transit Visa exemptions in UK

If you are a national of a country covered by the DATV system, you may be able to transit the UK airside without a visa. To qualify for this exemption:

you must arrive and depart by air; and
your onward flight must be confirmed, and must depart within 24 hours; and
you have proper documentation for your destination, including a visa if necessary.
Additionally, you must hold:

1. a valid entry visa for Australia, Canada, New Zealand or the USA, and a valid airline ticket for travel via the UK, as part of a journey to or from one of those countries; or
2. a valid airline ticket for travel via the UK as part of a journey from Australia, Canada, New Zealand or the USA, if you are transiting the UK no more than 6 months after the date when you last entered Australia, Canada, New Zealand or the USA with a valid entry visa for that country; or
3. a valid USA I-551 permanent resident card issued on or after 21 April 1998; or
4. an expired I-551 permanent resident card issued on or after 21 April 1998, accompanied by an I-797 extension letter issued by the Bureau of Citizenship; or
5. a valid Canadian permanent resident card issued on or after 28 June 2002; or
6. a valid Australian or New Zealand residence visa; or
7.  a valid uniform format category D visa for entry to a state in the European Economic Area (EEA); or
8. a valid uniform format residence permit issued by an EEA state under Council Regulation (EC) number 1030/2002; or
9. a valid UK residence card; or
10. a valid EEA family permit issued by the UK government; or
11. a diplomatic or service passport issued by the People's Republic of China; or
12. a diplomatic or official passport issued by India; or
13. a diplomatic or official passport issued by Vietnam.

• A valid US immigrant visa packet (form 155A/155B) is a 'valid visa' for these purposes, but the following documents are not valid for the DATV exemption:
• An I-512 parole letter or an I-797C (notice of action) instead of a valid US visa.
• a transportation letter instead of a valid US permanent resident card issued on or after 21 April 1998;
• a valid travel document with a US 'ADIT' stamp saying - 'Processed for I-551. TEMPORARY EVIDENCE OF LAWFUL ADMISSION FOR PERMANENT RESIDENCE VALID UNTIL [date]. EMPLOYMENT AUTHORIZED'; and
• a US visa foil endorsed, "NOT A VISA. FOIL PREPARED AT DHS REQUEST".