You'll need to make some comments on my post#24
If you take some time to read the links already given in my post#23 you'll have a much better idea of the needed documentary evidence needed.
Not much can be used from a visit visa application, also if it's already a year old it's unlikely to be accepted.........depends what documents you're thinking of.
Read the links and the you'll be much better placed to ask specific questions rather than general questions.