enicalyth
You need to get a new map mate
The 15W and 10W waypoints were given 5 letter names 4 or 5 years ago and the route designators you gave as examples changed probably 3 or 4 years ago.
56/10 is now MIMKU. UN561 is replaced by UP6-MORAG-UL10. UB3 is now UL10. UG1 is now UL9. Etc, etc.
UK charts can be found here (you have to register which is free)
Upper Airspace Chart (South)
Upper Airspace Chart (North)