I was in Madrid for a couple of days of sight seeing. Stayed at the Funway mostly through price and being close-ish to Chamartín station. Very good stay. Given that it is student accommodation, does feel a little different to many hotels, but the room had everything you might expect. Safe, sofa, en suite shower room/toilet (shower quite tight), loads of storage, and a bed that comes down from the ceiling when needed covering the central part of the room. No AC in the room, but it stayed an okay temperature even despite that and +30C outside. Little pool and gym available + some other social spaces. Easy walking distance to the metro and some shops.