You have instant equity in your property investment, first is clean and update the property to star producing with your new tenant. Second is prepare your profit and loss statement and copy of bank statement, others income to present to a lender.
Best way is think like a lender and see by your self the abilities to repay and purpose of the money that you asking for. if sound reasonable to you, possible sound reasonable to the lender. The credit history may see considered by some lenders.