This crossword No. 15015 clues and answers were published on Fri 22 Jun 2018 and the puzzle can be visited by following The Guardian Quick Crossword No. 15015 link.
All Across Clues and Answers:
1-across – Giving adequate return for the outlay : COSTEFFICIENT
8-across – Herring, salted and smoked : BLOATER
9-across – Unauthorised disclosures of information : LEAKS
10-across – French singer, the Little Sparrow, d. 1963 : PIAF
11-across – Flirtatious woman : COQUETTE
13-across – Breathe out : EXHALE
14-across – Corrupt : DEBASE
17-across – Chosen : SELECTED
19-across – Puts on — lecturers : DONS
21-across – No longer in the land of Nod : AWAKE
22-across – Cash — a desire : READIES
24-across – Do do something completely : GOTHEWHOLEHOG
All Down Clues and Answers:
1-down – Young lion : CUB
2-down – Breadbasket : STOMACH
3-down – Food : EATS
4-down – Until later : FORNOW
5-down – Refined — well educated : CULTURED
6-down – Praise highly : EXALT
7-down – Lacking in aesthetic judgement : TASTELESS
10-down – Detachment forcing civilians into the navy : PRESSGANG
12-down – Shiner : BLACKEYE
15-down – Do away with : ABOLISH
16-down – Hatred : DEARTH
18-down – To the smallest degree : LEAST
20-down – First king of Israel : SAUL
23-down – Droop : SAG
This crossword has in total 26 where 12 are across and 14 are down.