Making a claim to an employment tribunal (T420)
How to make a claim to an employment tribunal.
Documents
Details
This guide sets out details about the process.
Updates to this page
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25 June 2025 Changed signposting for tribunal offices.
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16 May 2025 Changed postal address to Loughborough
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9 May 2025 Added Welsh HTML version.
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5 February 2024 Converted the English guide into HTML.
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12 December 2023 Leeds tribunal address change
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12 October 2023 Updated contact information
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3 June 2021 Revised guidance document in English and Welsh.
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7 January 2021 Details for Glasgow ET updated.
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1 December 2020 Revised T420 guidance, English and Welsh.
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24 August 2020 Glasgow centre has changed address.
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11 June 2020 Time limit guidance has been updated.
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5 March 2020 Revised T420 due to a change of address in Newcastle.
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29 April 2019 Added Welsh T420 due to change of address for Employment Appeal Tribunal.
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26 June 2018 Added a revised T420 that includes GDPR information.
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1 April 2018 First published.
Update history
2025-10-13 08:00
Changed phone number for Leeds and Newcastle
2025-09-01 08:00
New Midlands phone number
2025-06-25 15:26
Changed signposting for tribunal offices.
2025-05-16 10:17
Changed postal address to Loughborough
2025-05-09 07:51
Added Welsh HTML version.
2024-02-05 09:00
Converted the English guide into HTML.
2023-12-12 12:12
Leeds tribunal address change
2023-10-12 17:04
Updated contact information