This crossword No. 15210 clues and answers were published on Wed 06 Feb 2019 and the puzzle can be visited by following The Guardian Quick Crossword No. 15210 link.
All Across Clues and Answers:
1-across – Poor handwriting : SCRAWL
4-across – Musical interval of 12 semitones : OCTAVE
8-across – Birthplace of the Prophet Mohammed : MECCA
9-across – Discordant : JARRING
10-across – Tiddly : SQUIFFY
11-across – Heraldic device representing a family : CREST
12-across – Coming from Taipei? : TAIWANESE
17-across – Forelock brushed upward : QUIFF
19-across – Red sauce : KETCHUP
21-across – Unpaid : AMATEUR
22-across – Holy Writ : BIBLE
23-across – Thrill : EXCITE
24-across – Storey : OYSTER
All Down Clues and Answers:
1-down – Triangular Indian turnover : SAMOSA
2-down – Narrate in detail : RECOUNT
3-down – Waterfront landing stage : WHARF
5-down – Small round boat of hides stretched over a wicker frame : CORACLE
6-down – Existent : ALIVE
7-down – The latest Henry or Edward? : EIGHTH
9-down – Careless pedestrian : JAYWALKER
13-down – Vary the voice pitch : INFLECT
14-down – Something shown in public : EXHIBIT
15-down – Stick-in-the-mud — quadrangle : SQUARE
16-down – Seem : APPEAR
18-down – Father of Jacob and Esau : ISAAC
20-down – Cat with a mottled coat : TABBY
This crossword has in total 26 where 13 are across and 13 are down.