Solutions

ACROSS
1 Straight.
(two meanings)
5 Reward.
REWARD (drawer rev.)
9 Art house.
(anag.)
10 Panama.
(two meanings)
12 Farah.
FAR+A+H (RAF rev.)
13 Identical.
IDE(NTI+C)A+L (tin anag.)
14 Organisation.
(anag.)
18 Alice Springs.
ALICE+SPRINGS
21 Make haste.
MAKE+H+ASTE (east anag.)
23 Slate.
S+LATE
24 Utopia.
(straight cryptic)
25 Manitoba.
M+ANIT(OB)A
26 Humbug.
(two meanings)
27 Bluebell.
BLUE+BE+L+L


DOWN
1 Staffs.
(two meanings)
2 Retort.
RE+TORT (trot anag.)
3 Iron horse.
IRON+HORSE
4 Hospital pass.
(straight cryptic)
6 Enact.
EN+ACT
7 Anarchic.
A+N+ARC+HIC (car anag.)
8 Deadline.
DEAD+LINE
11 Medicine-ball.
MEDIC+IN+E+BALL
15 Augustine.
AUGUST+IN+E
16 Falmouth.
FAL+MOUTH
17 Silkworm.
SILK+W+OR+M
19 Galore.
G+A+LORE
20 Retail.
(anag.)
22 Haiku.
H+A+I+K+U