7 - A chopped pungent relish (5) – {A}{SPICe}
8 - Gag Daniel cracked failed completely (4,2,3) – LAID AN EGG*
10 - Late extra expected (7) – {OVER}{DUE}11 - Complaint got from working in metal (7) – AILMENT*
12 - Newspaper articles with it must give guidance (10) – {LEADERS}{HIP} [CD]
14/15 - Very much similar to Charles Pooter's profession? (4,7,8) – LIKE NOBODY'S BUSINESS [CD] Had to Google Charles Pooter to get this one.
18 - Active agent trapping head of ring (4) – SP{R}Y
19 - Carmen and Loot performed in Riviera resort (5,5) – MONTE CARLO*
21 - Drugs ape so it relaxes (7) – OPIATES*
23 - A pepper pot I cooked - chaps tucked in (7) – {PI{MEN}TO*}
26 - Wanders right away from Blackburn, say (5) - ROVE
DOWN
1 - English aristocrat's short sword (4) – {E}{PEE
2 - Sharp boss, LSD user (8) – {ACID}{HEAD}
3 - Takes a siesta, then son shaves when up (6) – {SLEEP<-}{S}
4 - Nutty, it is a rum dessert (8) – TIRAMISU* We seem to have this dessert quite often, last time it was with Sumitra!. Moreover I happened to eat it at Kolkatta when we went out for lunch at The Kenilworth.
5 - Nobleman in fear, lately (4) – EARL [T]
6 - European, small Parisienne, appearing in Czech play, will get a coach (10) – {R{E}{PETITE}UR} Had to google this.
7/9 - Saying one with rock group learns meeting knight, old racing driver (1,7,5,7,2,4) – {A} {ROLLING STONE} {GATHERS} {N}{O} {MOSS}
13 - Vegetables popular in French taverns (10) - AUBERG{IN}ES 16 - Caledonian company in street with small staff (8) – {S{CO}T}{S}{MAN}
17 - Embarrassed American kept secret (2,6) – IN CAMERA*
20 - Was first killed (6) – TOPPED [DD]
22 - Express disapproval over leader of union in a short skirt (4) – {TUT}{U}
24 - Fleet vehicle turned up close to Piccadilly (4) – {NAV<-}{Y}