This crossword No. 26728 clues and answers were published on Fri 13 Nov 2015 and the puzzle can be visited by following The Guardian Cryptic Crossword No. 26728 link.
All Across Clues and Answers:
1-across – Lay speculators in a state after losing pots ruinously : SECULAR
5-across – Provided far too much within dance : GAVOTTE
9-across – Souvenir of priest immersed in humanitarian charity : RELIC
10-across – Way to check an official inquiry : MEANSTEST
11-across – Store bully managed to take customers for a ride : TROLLEYBUS
12-across – Aromatic substance found in herbal medicine : BALM
14-across – Alienation from agreements not lacking substance : ESTRANGEMENT
18-across – A sad quagmire to engineer for a Sunday : QUADRAGESIMA
21-across – Young lady removing outer clothing for attendant : AIDE
22-across – Tommy and Bobby make a big splash : CANNONBALL
25-across – Operation dreadfully toilsome to the right side of tummy : ILEOSTOMY
26-across – Some without first experience holding party to be a scene of depravity : SODOM
27-across – Overturned records encourage ostentatious display : SPLURGE
28-across – Cricketer, who found acclaim with The Bat : STRAUSS
All Down Clues and Answers:
1-down – Try to use dodgy guarantor : SURETY
2-down – Green alluvial flat : CALLOW
3-down – Not bright enough to tackle slur indirectly : LACKLUSTRE
4-down – Peculiar game : RUMMY
5-down – As well as being surrounded by revolutionary guards, they are waiting for a conference! : GRADUANDS
6-down – Endorsement to cut tax is introduced : VISA
7-down – Generate wrong impression of a young person : TEENAGER
8-down – Judge is in Paris getting one to marry : ESTIMATE
13-down – He preaches that sin and remorse are not in order : SERMONISER
15-down – Costume made initially to get a part performance : RIGMAROLE
16-down – A sign of where swimmers are finally getting changed : AQUARIUS
17-down – Definite deception inherent in strong promotion : HARDSELL
19-down – A form of convertible gold on deposit : LANDAU
20-down – Censures poor investment in building society : BLAMES
23-down – Uproar heard from poet : NOYES
24-down – Reveller half cut on drugs : USER
This crossword has in total 30 where 14 are across and 16 are down.