This crossword No. 12752 clues and answers were published on Fri 25 Mar 2011 and the puzzle can be visited by following The Guardian Quick Crossword No. 12752 link.
All Across Clues and Answers:
1-across – Dual purpose couch : SOFABED
8-across – : ASEXUAL
9-across – America? Israel? Yorkshire? : GODSOWN
10-across – See 9 : COUNTRY
11-across – Scottish river : TWEED
13-across – Winter feast : CHRISTMAS
15-across – Relating to a modifying word : ADVERBIAL
18-across – World War I battlefield : YPRES
21-across – Wire fastenings : STAPLES
22-across – Whirlwind : TORNADO
23-across – Mixture : MELANGE
24-across – Musical celebrity : POPSTAR
All Down Clues and Answers:
1-down – Vision : SIGHT
2-down – Sweet — unsatisfactory compromise : FUDGE
3-down – Horrifying : BLOODCURDLING
4-down – Ballet performer : DANCER
5-down – Insectivorous plant : VENUSSFLYTRAP
6-down – Habit : CUSTOM
7-down – London insurance agency : LLOYDS
12-down – Untamed : WILD
14-down – Land measure : ACRE
15-down – Take for granted : ASSUME
16-down – Able to survive : VIABLE
17-down – Part of a foot : INSTEP
19-down – Behave in response : REACT
20-down – Track of an animal : SPOOR
This crossword has in total 26 where 12 are across and 14 are down.