Finally,the pain is over,grats Minchy.
As above said,the render is smooth and stylish and the work on it is quite good.On the other hand are the sides though,i know that you struggled to make something to the sides,i tryied to make a wall with sides like that,when i was less experienced it was pain in the ass and i could do anything properly,so i think if the colour was lighter you could've added more things that would be visible (like my old,soo famous style

)..Work on more walls with sides,so you could find some ways to put things on blank spaces.Anyway,the wall is good,and you're improving,keep it up!