This crossword No. 1159 clues and answers were published on Sun 17 Dec 2017 and the puzzle can be visited by following The Guardian Speedy Crossword No. 1159 link.
All Across Clues and Answers:
1-across – In maths, the third power of a quantity : CUBE
3-across – Existing everywhere : PANDEMIC
9-across – Listening sympathetically or attentively : LENDING
10-across – See 9 : ANEAR
11-across – Edit; make alterations to a draft : EMEND
12-across – Plant fibre used in weaving : RAFFIA
14-across – Sun shade : AWNING
16-across – Roofed porch or gallery with open sides along the front or side of a building : LOGGIA
19-across – Arctic region of permafrost : TUNDRA
21-across – Bring up : EVOKE
24-across – Clarify, help to explain : THROW
25-across – See 24 : LIGHTON
26-across – Brightest star in Ursa Minor; northern axis of the earth points toward it : POLESTAR
27-across – Rain heavily : POUR
All Down Clues and Answers:
1-down – Block end; no through road : CULDESAC
2-down – Occasion for excessive eating or drinking : BINGE
4-down – Heavenly dwelling of the Norse gods : ASGARD
5-down – Gimli, for one : DWARF
6-down – Gathering : MEETING
7-down – Hair piece; flick up : CURL
8-down – Unter den ——, iconic boulevard in Berlin : LINDEN
13-down – John ——–, 16th century English composer: one who frequented an inn of old : TAVERNER
15-down – A runlet? : NEUTRAL
17-down – Fidgety, nervous : ONEDGE
18-down – Showy bloom : DAHLIA
20-down – North or South, two features of chalk upland in England : DOWNS
22-down – Go one better than : OUTDO
23-down – At the summit of : ATOP
This crossword has in total 28 where 14 are across and 14 are down.