Thank you for your reply. You have clarified some issues for me. I went to a boarding school therefore I do not have utility bills to prove my UK residence. Will school reports be valid enough? For SAR, as I do not have the all passports, will this limit to view my full documentation? After I get th...

I've been here as a student for 10 years, and I am now eligible to apply for ILR. I have always abide the rules of being here such as having a valid visa. However, I lost my passport when I was young and this had one or two years of my track record. Will this be a big issue when to apply for ILR? If...