We assigned preliminary ratings to Twin Bridges 2023-1 PLC's (TB 2023-1) class A, B, C-Dfrd, and D-Dfrd notes. TB 2023-1 PLC is a static RMBS transaction that securitizes a portfolio of buy-to-let (BTL) mortgage loans secured on properties in the U.K. LONDON (S&P Global Ratings) April 20, 2023--S&P Global Ratings today assigned preliminary ratings to Twin Bridges 2023-1 PLC's (TB 2023-1) class A, B, C-Dfrd, and D-Dfrd notes. (TB 2023-1) is a static RMBS transaction that securitizes a portfolio of buy-to-let (BTL) mortgage loans secured on properties in the U.K. The loans in the pool were originated between 2015 and 2022, with most originated in 2022, by Paratus AMC Ltd., a non-bank specialist lender, the majority under the Foundation Home