This crossword No. 13089 clues and answers were published on Sat 21 Apr 2012 and the puzzle can be visited by following The Guardian Quick Crossword No. 13089 link.
All Across Clues and Answers:
1-across – Badly clad — sort of trick? : SHABBY
4-across – Escape holes for gas or air : VENTS
7-across – Floor of a building : STOREY
8-across – Sunder : NURSED
9-across – Taverns : INNS
10-across – Intelligible only to the initiated : ESOTERIC
12-across – Pigment making plants green : CHLOROPHYLL
17-across – Ancestor : FOREBEAR
19-across – Religious faction : SECT
20-across – Peers : EQUALS
21-across – Source : ORIGIN
22-across – Greek letter : THETA
23-across – Go — fix : REPAIR
All Down Clues and Answers:
1-down – Devilish : SATANIC
2-down – Spray can : AEROSOL
3-down – Culture Club singer : BOYGEORGE
4-down – Arched ceiling : VAULT
5-down – Nasal aperture : NOSTRIL
6-down – Beguile : SEDUCE
11-down – Intentionally : ONPURPOSE
13-down – Hairy : HIRSUTE
14-down – Seminary for training rabbis : YESHIVA
15-down – More fortunate : LUCKIER
16-down – Consequence caused by something else : EFFECT
18-down – Wood used by model makers : BALSA
This crossword has in total 25 where 13 are across and 12 are down.