Great Loft for a big group and the communication with host was super easy. Doors are locked with door codes, so no key issues when traveling with many people. Backyard would be great in Summer (we couldn't use it as it was too cold). Bathroom with several shower and toilet stalls makes it easy even for a big group like we were (13 people). Apartment is simple but equipped with everything you need for a stay in Berlin. Will definitely come back here.