Solutions

ACROSS
1 Chatsworth.
CHATS+WORTH
6 Test.
TE+ST
10 Super.
SUP(p)ER
11 Fruit-cake.
FR(U)IT+CAKE
12 Firedamp.
FIRE+DAMP
13 Retch.
RE+T+CH
15 Pinhead.
PIN+HEAD (nip rev.)
17 Rain Man.
RA(INMA)N
19 Treviso.
TREV(I)SO (voters anag.)
21 Candide.
CANDID+E
22 Erato.
ERA+TO
24 Dead loss.
DEAD+LOSS
27 Sprouting.
SP(R)OUTING
28 Troop.
TROOP(er)
29 Sent.
SENT (scent hom.)
30 Ne'er do well.
NEERDO+WELL (Doreen anag.)


DOWN
1 Cast.
(two meanings)
2 Appliance.
APPL(I+ANC)E (can anag.)
3 Serge.
(two meanings)
4 Offhand.
(two meanings)
5 Thumper.
THUMP+ER
7 Exact.
EX+ACT
8 The Thinker.
THE(m)+THINK+ER (re rev.)
9 Star sign.
S(TAR)SIGN (sings anag.)
14 Apotheosis.
A+POTHEOS+IS (sea photo anag.)
16 Epilogue.
EP+I+LOGUE
18 Maidstone.
MAIDS+TON+E (not rev.)
20 On-drive.
ON+DRIVE
21 Clanger.
C+LANGER
23 Apron.
(hidden)
25 Let go.
LET+GO
26 Opal.
O+PAL