Not too tricky, but a little clumsy. I suppose there wasn't anything particularly egregious worth noting.

Across

1

Muted reception for vessel expected on first day (7)
SUBDUED — SUB (vessel) DUE (expected) D (first letter of day)

5

Wealthy, healthy and out of sorts (4-3)
WELL-OFF — WELL (healthy) OFF (out of sorts)

9

In the interim, it sounds like a nasty trick (9)
MEANWHILE — homophone of MEAN WILE (trick)

10

Total nutters know no limits (5)
UTTER — nUTTERs without outside letters

11

Suspended railway guards are underfed (6)
HUNGRY — HUNG (suspended) RY (railway)

12

Sadly, he'll go up where the water goes down (8)
PLUGHOLE — anagram (sadly) of HE'LL GO UP

14

Devotee has a terrible row with transporter (10)
WORSHIPPER — anagram (terrible) of ROW, SHIPPER (transporter)

16

A seasoned sailor? (4)
SALT — cryptic def., &lit

18

Passes first decree in line with treaty (4)
PACT — P (first letter of passes) ACT (decree)

19

Got less dull in one shed (10)
DIMINISHED — DIM (dull) IN I (one) SHED

22

Some flops I'd edited were unbalanced (8)
LOPSIDED — hidden in fLOPS I'D EDited

23

Bad prolapse? So don't abseil! (6)
RAPPEL — anagram (bad) of PRoLAPsE without so

26

Don't roar about astroturf forming clumps (5)
TUFTS — anagram (forming) of aSTroTUrF without roar

27

'Didn't leave before jockey', you stated (9)
OUTSTAYED — anagram (jockey) of YOU STATED

28

Nearly onsold some assets towards the beginning (5,2)
EARLY ON — hidden in nEARLY ONsold

29

Foreshadow Harbour City terminal (7)
PORTEND — PORT (harbour city) END (terminal)

Down

1

Love to get me into the show one way or another (7)
SOMEHOW — O (love) ME inside SHOW

2

Barn dance includes whiskey and potted meat (5)
BRAWN — BARN containing W (whiskey)

3

Why run to work when not good enough? (8)
UNWORTHY — anagram (work) of WHY RUN TO

4

Shed drops on day one, rest in peace! (4)
DRIP — D (first letter of day) RIP (rest in peace)

5

Elmer Fudd's really been to get the rubbish cart (7,3)
WHEELIE BIN — homophone (Elmer Fudd's) REALLY BEEN

6

Louder orange walls suit the sitting room (6)
LOUNGE — LOUder oraNGE without middle letters

7

He delivers complementary medicine order to teashop (9)
OSTEOPATH — anagram (order) of TO TEASHOP

8

Infer mentor's interns will turn to alcohol (7)
FERMENT — hidden in inFER MENTor

13

Pup lost top and lateral fur going head over heels (6-4)
UPSIDE-DOWN — pUP (without first letter) SIDE (lateral) DOWN (fur)

15

(& 17-down) Foolishly fires depreciators - bad plan! (6,3,8)
RECIPE FOR DISASTER — anagram (foolishly) of FIRES DEPRECIATORS

18

Colour range is light in tone even for statues (7)
PALETTE — PALE (light in tone) TTE (even letters of statues)

20

Delta managed to avoid being misled (7)
DELUDED — D (delta) ELUDED (managed to avoid)

21

Pity about heart surgeon's messy room (6)
PIGSTY — PITY around G (middle letter of surgeon) S

24

Personal Assistant gets the evil eye from one who got paid (5)
PAYEE — PA (personal assistant) anagram (evil) of EYE

25

On the head of a tosspot (4)
ATOP — A reversal (toss) of POT