To start lending a minimum investment of 25,000 GBP is required. Quoted interest rates for last week range from 6 to 9%. Borrowers pay a 2% fee. Fixed term loans as well as variable length loans are possible. The concept of a p2p mortgage may sound complex, but Folk2Folk says they aim to complete the lending in 8 to 10 calender days from the time the borrower applied.
There is a very detailed set of rules describing all eventualities.