The government said the test is a mandatory requirement for those going through the citizenship or settlement application process. The UK government has published an official online service that allows applicants to book their citizenship test. How much UK citizenship test costThe fee for taking the Life in the UK Test is £50 (approximately ₦103,000), payable at the point of booking. In a related story, Legit.ng reported that the UK had announced a list of 19 countries and territories exempted from its English test for citizenship applications. Next step after failing UK citizenship testMeanwhile, Legit.ng previously reported that the UK had explained what foreigners can do after failing the citizenship test.