Gemütliche 1-Zimmer-Wohnung in Treptow-Köpenick

Hey! I am offering for Swap my 2-room alt-bau apartment next to S-banh baumschulenweg. Very well connected (5min from Neukolln, 6min from Ostkreuz, 10min Warschauer str.). The flat is 72 square meters, with 2 rooms, high ceiling, and south-west orientation (very sunny). Warm rent is 1094 EUR monthly. I am looking for a 1-room apartment, max warm rent 750 EUR, ideally in south-east (Neukolln, Kreuzberg, Friedrischain, Baumschulenweng)