Offer small & central, looking for larger & quiet

I offer a very central, sunny 2-room apartment located in Kreis 4 near Lochergut on a residential street. The apartment is in a rather small residential building with a nice neighborhood and uncomplicated management. The apartment has wooden parquet and tiles, new windows and entrance door, fitted kitchen with dishwasher, bathtub and large balcony, and a pleasant charm.

I am looking for a larger apartment a) with at least 2.5 (up to max SFR 1,600) to b) 4-Z-W (up to about 2,600) for family reason...