Solutions

ACROSS
1 Sabre-rattle.
SABRE+RATTLE (bears anag.)
9 Rotherham.
R+OTHER+HAM
10 Avast.
A(V)A+ST
11 Minute.
MIN(U+T)E
12 Heathens.
(anag.)
13 Yellow.
YELL+O+W
15 Set piece.
SET+PIECE
18 Noblemen.
NOBLE+ME+N
19 Metric.
METRI+C (timer anag.)
21 Atalanta.
AT(A)LANTA
23 Gawain.
GA+WAIN (Ag rev.)
26 Drone.
DR+ONE
27 Ill at ease.
ILL+AT EASE
28 Trent Bridge.
T(RE)NT BRIDGE


DOWN
1 Scrumpy.
SCRUM+PY
2 Baton.
BAT+ON
3 Electrode.
ELECT+ROD+E
4 Ache.
(anag.)
5 Tempered.
TEMP+ERE+D
6 Exact.
(two meanings)
7 Matisse.
MA+TIS+SE (sit rev.)
8 Cape Fear.
CA+PE+FEAR
14 Labrador.
(two meanings)
16 Poetaster.
(anag.)
17 Beatrice.
B+EAT+RICE (ATE anag.)
18 Neasden.
NEASD+EN (Dean's anag.)
20 Concede.
C+ONCE+DE (Ed rev.)
22 Agent.
A+G+ENT
24 Award.
A+WARD
25 Clot.
C+LOT