This crossword No. 14206 clues and answers were published on Thu 19 Nov 2015 and the puzzle can be visited by following The Guardian Quick Crossword No. 14206 link.
All Across Clues and Answers:
1-across – Concentrating on only one aim : SINGLE
4-across – See 1 : MINDED
9-across – Branch of maths — real bag : ALGEBRA
10-across – Noblemen : EARLS
11-across – Early stages : ONSET
12-across – Orthodox Jewish seminary — is heavy : YESHIVA
13-across – Yorkshire seaside resort : SCARBOROUGH
18-across – Apparition : PHANTOM
20-across – Provide housing for : LODGE
22-across – In front : AHEAD
23-across – Call for : REQUEST
24-across – Person who says one thing and does another : DOUBLE
25-across – See 24 : DEALER
All Down Clues and Answers:
1-down – Dark area — follow secretly : SHADOW
2-down – Mulled wine — genus : NEGUS
3-down – Large edible crustacean : LOBSTER
5-down – Notions : IDEAS
6-down – Sweetheart : DARLING
7-down – Dreary : DISMAL
8-down – Postwar generation : BABYBOOMERS
14-down – French country house : CHATEAU
15-down – Indirect — devious : OBLIQUE
16-down – Ascending : UPWARD
17-down – Neither masculine nor feminine : NEUTER
19-down – Ebbing and flowing : TIDAL
21-down – Reside : DWELL
This crossword has in total 26 where 13 are across and 13 are down.