This crossword No. 26812 clues and answers were published on Sat 20 Feb 2016 and the puzzle can be visited by following The Guardian Prize Crossword No. 26812 link.
All Across Clues and Answers:
1-across – Fish steeped in drink is a big change : SHAKEUP
5-across – Weed, by the way, is a 1930s’ classic : TOBACCO
9-across – Gloomy day nurse : DREAR
10-across – Dancing in hipsters all but produces kidney problem : NEPHRITIS
11-across – Consider high street chain’s rustic? : COUNTRYMAN
12-across – See 5 : ROAD
14-across – Some rocky resort of Crimea, a continental meeting place : MESOAMERICA
18-across – Foreign caste restricted by civil arm of repressive government : POLICESTATE
21-across – See 4 : LANE
22-across – Jumping flea on sailing boat, which can bite through to the vein : LEAFCUTTER
25-across – Strange start to ungainly forehand smash : UNHEARDOF
26-across – A toady said piled up : AHEAP
27-across – Showered right in sterilised environment? : SPRAYED
28-across – Rotter takes flow controller’s dregs : HEELTAP
All Down Clues and Answers:
1-down – Undo leading edge of stage and draw out : SEDUCE
2-down – See 23 : AVENUE
3-down – Pop duo’s chemistry’s working, having united : EURYTHMICS
4-down – The ’60s hit career of Lenny : PENNY
5-down – VIP first spotted in a bunch? : TOPBANANA
6-down – Tidal wave drag : BORE
7-down – Comprehensive’s gripe about woolly hat : CATHOLIC
8-down – Outside broadcast about Pluto, taking in a molten volcanic rock : OBSIDIAN
13-down – Boyfriend possibly holding end of the firearm up, being free from controls : DEREGULATE
15-down – Sulphur introduced to drink — finished in the air : SUSPENDED
16-down – Is appreciative of software containing binary regression : APPLAUDS
17-down – Who embraces decisive argument? : CLINCHER
19-down – See 24 : STREET
20-down – Appear with whip raised : CROPUP
23-down – If having upturned feet, entertain in the altogether dateless attraction of New York : FIFTH
24-down – Star, eyes rolling, appears in hit movie as a route to affluence : EASY
This crossword has in total 30 where 14 are across and 16 are down.