Cryptic crossword No 4,105

Across

1. Pot for storing bit of offal overturned in upper part of house (4,3)
2. Limp description of mocktail? (10)
3. Propose to remove lid from moneybox (5)
4. The conservatives hard on our competent Cabinet Minister's title? (5,10)
5. Nice elderly lady in park in Richmond, we hear? (3,4)
6. Root bowled - no change (5)
7. Very reasonable chap tried to get excited (4,5)
8. Nice man may store his clothes here, as more air circulates (7)
9. Midge, perhaps, you remember partially (3)
10. Back procedures to bring back spa after plan is rewritten - about time! (6,4)
11. Sounds like forays at regular intervals in carpentry techniques make remarkably nice beginners boat (9)
12. Napoleon may have tipped this writer for uncrowned leader of Northern Spain (7)
13. Talent for music shown in Satie arpeggios (3)

Down

1. Prince's military tactic? (6,8)
2. The French and German exhibitions with 8 get too little publicity (13)
3. Producer of one's own life sentences? (14)
4. Informally made calls about Federal Reserve holding francs (6)
5. Malicious fellow's received pronunciation beset by misuse of tense (7)
6. Diamond ring taken by king and queen on public transport (7)
7. Tried and tested answer for one European (6)
8. Song by Harry Styles I can move to, losing letters from one verse (6)
9. Problematic situation at clock factory, apparently? We can't do anything about it! (3,2,3,5)
10. Adam must have had this piece of meat? (5,3)
11. Managing Director taken on by groups developing sweets (8)
12. Uninterested, ditches promise and suffers (6)