This crossword No. 3055 clues and answers were published on Sun 10 Apr 2005 and the puzzle can be visited by following The Guardian Everyman Crossword No. 3055 link.
All Across Clues and Answers:
1-across – Deputy registrar after diamonds concealed in flue : VICEREGENT
6-across – Person in charge of stud : BOSS
10-across – Become enthusiastic attending Sunday Mass? : SWARM
11-across – Runs from large farm in a valley in flood : AVALANCHE
12-across – Artist on track in struggle to get on in the world : RATRACE
13-across – Browbeat male parking in narrow opening : HENPECK
14-across – Car mat taken from fairground ride : ROLLERCOASTER
18-across – Novel old dean read in broadcast : DANIELDERONDA
20-across – Warm coastal region in US state, one by-passed by girl : RIVIERA
22-across – Bug in water, I suspect, must be connected with onset of plague : WIRETAP
24-across – Song in pub – Christmas song, last from artiste : BARCAROLE
25-across – Apportion a return of tax : ALLOT
26-across – Fair flat : EVEN
27-across – In high heels, clown may be suitable : WELLCHOSEN
All Down Clues and Answers:
1-down – Holy man seen in actual robing room : VESTRY
2-down – What Advent preachers might give : CHAPTERANDVERSE
3-down – Steps taken by odd scholar? : RUMBA
4-down – Significant post in Kent town : GRAVESEND
5-down – Hospital giving support to orderly in South Wales town : NEATH
7-down – Star with a Rolls is beastly about box seats in a theatre : ORCHESTRASTALLS
8-down – Speaks with contempt about a king in casual shoes : SNEAKERS
9-down – Leading volunteers inside keep : MAINTAIN
15-down – Loyal follower, chap from Belgian city? : LIEGEMAN
16-down – Dancing reel, watch handspring : CARTWHEEL
17-down – Charming girl, black, getting in drink : ADORABLE
19-down – Boy, to receive trophy, has to be exactly right : SPOTON
21-down – A flower emerged : AROSE
23-down – Religious education – a church offers scope : REACH
This crossword has in total 28 where 14 are across and 14 are down.