Validity of the Life in …

It is valid indefinitely.

The Life in the UK Test is a compulsory part of the British Citizenship process, which is run by the UK government to check the knowledge of the UK. It is designed to ensure that people understand British culture, customs, laws and other aspects of everyday life in the UK.

The test consists of 24 multiple-choice questions based on the Life in the UK handbook, and must be completed in 45 minutes or less. All questions must be answered correctly to gain a pass. The test must be taken at an approved UK test centre and can be taken as frequently as desired. After passing the test, individuals must provide proof of identity to the test centre. The practice Life in the UK Test is available online to help individuals prepare for their real test.

Source: https://onlineimmigrant.com/life-in-the-uk-test/.