The unit is exactly as marketed, and has ample room for three/four adults. The kitchen is new and equiped for cooking, and bathroom is large, clean and has a tub. Perfectly clean, tidy and modern - would happily stay here again!
The position is fabulous- five minutes to Tier Garten, Brandenburg Tor and all the parliament buildings, ten minute walk to Berlin main train station. Going in the other direction you are at all the tourist trap end of town in ten minutes, and plenty of bars, restaurants and supermarkets surround the unit.
The host was excellent- unit exactly as promoted, and was quick to respond to any questions or queries. Perfect!