10 years continuous legal stay ILR application experiences

[aman5]

A big hello to all members on this forum,

Apologies if this query has already been raised/posted on this forum in the past but could members share their experiences of having applied to Home Office (or members who are soon planning to apply) for ILR after their 10 years continuous legal stay in UK.

Things like:

1. What were the accompanying documents that were sent with '10 years continuous legal stay' ILR application?

2. Is it better to send the application on your own or through an Immigration firm?

3. Typical query(s) that could be raised by the Home Office for such type of applications.

4. Some of the thread links on this forum for past discussions specifically related to '10 years continuous legal stay' ILR applications.

Thanks.