I too have been requested for a UAN, as I have used the Sopra Steria website to apply for my ILR earlier this year. THANK YOU for confirming where to find it, as it's on the final document checklist, but not on the final copy of the application form... This has saved me a headache!

Hi, I would like to know if Passports need to be (or will be) fully scanned for the appointment at Sopa Steria and will they be sent/kept by the Home Office until the naturalisation application has been determined? As I want to know if I will have to cancel all travel plans if it takes at least 3-4 ...

Applied for ILR Route : 28/01/2019 SET(M) - 5 year partner route Date application sent : 28/01/2019 (ONLINE) Paid via SUPER PRIORITY Service^ Document received by HO : 13/02/2019 {I'm guessing, they received this on 28/01 but they don't look at it, unless you've paid for the SPS) Biometric Letter ...