This crossword No. 11211 clues and answers were published on Wed 12 Apr 2006 and the puzzle can be visited by following The Guardian Quick Crossword No. 11211 link.
All Across Clues and Answers:
5-across – Sharp turn on a road : HAIRPINBEND
7-across – Decisive point of an issue : CRUX
8-across – Estimation of an artistic piece’s worthiness : CRITIQUE
9-across – Nervous : JITTERY
11-across – Holiday residence : VILLA
13-across – Concur : AGREE
14-across – Synthetic : MANMADE
16-across – Lines in a sonnet : FOURTEEN
17-across – Green shot : PUTT
18-across – Brideshead Revisited author : EVELYNWAUGH
All Down Clues and Answers:
1-down – Cheeky girl : MINX
2-down – Apparition : SPECTRE
3-down – Release fastener on trousers : UNZIP
4-down – Feverish excitement : DELIRIUM
5-down – Zigzag pattern : HERRINGBONE
6-down – Nonsense : DOUBLEDUTCH
10-down – Suppositions : THEORIES
12-down – Nocturnal bird native to Britain : BARNOWL
15-down – African nation : KENYA
17-down – Fruit : PLUM
This crossword has in total 20 where 10 are across and 10 are down.