This crossword No. 817 clues and answers were published on Sun 15 May 2011 and the puzzle can be visited by following The Guardian Speedy Crossword No. 817 link.
All Across Clues and Answers:
1-across – Unending : INTERMINABLE
9-across – Indeterminate state : LIMBO
10-across – Concise, terse : LACONIC
11-across – Flat-bottomed boat : PUNT
12-across – Dead set : HELLBENT
14-across – Compel, bind : OBLIGE
15-across – Put paid to : SCOTCH
18-across – Waiting area : ANTEROOM
20-across – Possesses : OWNS
22-across – Way in : INGRESS
23-across – Feline sound : MIAOW
24-across – Free hand : CARTEBLANCHE
All Down Clues and Answers:
2-down – In name only : NOMINAL
3-down – Roman god of love : EROS
4-down – Small wooden hammer : MALLET
5-down – Throt adornment : NECKLACE
6-down – Drinking spree : BINGE
7-down – Chacun a son gout : EACHTOHISOWN
8-down – Compulsive thief : KLEPTOMANIAC
13-down – Pain, distress : AGGRIEVE
16-down – Canal-side walkway : TOWPATH
17-down – Small piece : MORSEL
19-down – Carnivorous large cat : TIGER
21-down – So be it : AMEN
This crossword has in total 24 where 12 are across and 12 are down.