Foz2,
Did I read this bit right:
'I did my first solo after 11 hours and since then have been doing mainly navigation because of the weather. I now have about 22 hours. '
If I did, here's 2 major points:
1. If the weather wasn't fit for circuits, then how can it be fit for navigation?
2. What happened to a few hours solo circuit consolodation after the first solo - it's an essential exercise to fix all the skills you've learned, such as landings, before progressing to anything else?
I'm not surprised you're having difficulties. I would suggest you insist on practicing your circuit skills before you do anything else. You can put into practice the other good advice in this thread, fix the landings, and then progress to off-circuit exercises.