Lenders usually need your LTV from an appraiser

before they make a final decision regarding the rate.

LTV (loan to value) is one of the key risk factors that lenders assess when qualifying borrowers for a loan. As the LTV ratio of a loan increases, the qualification guidelines for certain loan programs become much more strict.

The valuation of a property is typically determined by an appraiser. You need discuss with your lender how/who to pay appraiser.