In particular we focus on getting the loan structure right the first time, choosing which lenders to use in the right order (yes this is important) and finally getting our clients the best deal possible.
In short, no they will not, they are different to a credit card or personal loan application. It will be recorded on your credit file as an enquiry though showing the lender, amount requested and date you applied.
However, if you make many enquiries with multiple lenders in a short time, this could affect your credit score as it could look to a lender that your loan has been declined and they may not want to lend to you.