Rainer has a lovely flat to which we were lucky to stay at during our trip to Berlin. Bright, airy and cosy, the flat was even better than the photos suggested. Yes, the flat is located up many steps but this isn't necessarily a bad thing and again provided a nice workout at the end of the day! We both loved how close and convenient it was to the nearest S/U bahn stations (Hermannstraße , Leinestraße) and supermarkets. Rainer left suggestions for things for us to do and we used this as a springboard to base our trip off of.
As mentioned in previous reviews, the water pressure and temperature can be a bit iffy at times but we found showering first thing in the morning solved most of our cold shower issues so this wasn't really a big deal. Altogether a really nice stay - the neighbourhood is lively and diverse and full of character, although I can see why other reviews would have a different opinion but don't let this put you off. Rainer himself was quick to get back to us about any queries we had, though we didn't end up meeting him, but kindly provided all the essentials needed for a comfortable stay. Would stay again and would recommend to those looking to see a less touristy side of Berlin.