To start off, I've only been mapping seriously for 1 - 1/2 years, and have improved quite a bit over that time period(I'm amazed at how fast you can learn a skill). Right now, I'm working with the Source engine, and I know the next step for me is going to be asset creation(ie. Material Design, Modelling, and much much much later Programming), but as far as level design goes I'm at a loss. I've read all of the articles on the sticky, and even though when I read over them once or twice I notice new things, I really lack in execution. As far as technical knowledge goes in the Source engine, I'm pretty confident that I know 80% of what I need to know for just level design(Never really messed with logical entities, and various unknown unknowns).
The main thing I struggle with is more broad things like developing an Aesthetic from scratch without relying on cliches(powerful tools no doubt) too much, and just coming up with ideas in general. I'm also -really- bad at keeping things basic when I start a level, I can't seem to get any level layouts in my head without actually opening up hammer and working, which in turn, creates some pretty stilted works. I've still got creative juices flowing, no doubt, but due to lacking some basic skills like the one I just mentioned, most of my projects come out pretty unflattering.
Here is some of my stuff, in no particular order in terms of date: My Imgur Album.
Is there anything you can suggest to me? Because I'm plateau-ing hard, and can't think of a way to get better, despite knowing the problems. I feel like I'm applying too many rules to myself, and it's messing with my ability to map, but feel those rules are necessary progress as a level designer, and to create something worthwhile.
Any help on this would be greatly appreciated, and thanks for your time!