The Garanti Bank in Fethiye has a good reputation for providing Mortgages for Non- Residents.
The Loan Application is relatively easy, To start the process you would need to take a copy of the Title Deed of the property that you would like to purchase along with your Turkish Tax number to the Bank, At the Garanti Bank the Guy to speak with, is called Alper, his office is on the first floor. They would ask 650 tl approx 225 pound, this being for a Valuation of the property.
Once the valuation report has been completed, the Bank would be in a position to offer you up to 65% of their Valuation Figure.
The interest Rate for a 10 year Mortgage is presently 8.88% per annum, which works out at monthly repayments of 126.00 per month for every 10,000 pound borrowed, so if you need to borrow say 40,000 pound your monthly repayments would be 504 pound per month.
The Bank also charges a processing fee of 1,350 tl approx 470 pound,
Their commission rate is 1% of loan amount.
i hope this information is helpful to you both, Good Luck with your Purchase,