4077 Forced Entry by Mr Lemon

It has become the practice that the puzzle appearing on the date of the Listener Setters’ Dinner is fairly straightforward. This was no exception. The preamble said it all. The wordplay in every clue indicates the answer with an extra letter that is not entered in the grid. That extra letter must be added to or subtracted from one letter of the answer (A = 1 or 27, B = 2 or 28, etc) to produce the grid entry.

Extra letters in wordplay and changed entries are shown in [ ]

Across
1 Report of native's sow going down in the west (6)
SUNSET Homohone SON’S + E[L]T [SUBSET]
5 Paste dried stalks onto ship (6)
STRASS STRA[W] + SS [STRAPS]
10 May on round trip that's dreamy (5)
MOONY Anagram M[A]Y ON + O (round) [LOONY]
12 Stop fifty in mountain pass (4)
HALT L in [G]HAT [HAET]
13 Playwright's bow to people of fashion? (5)
ORTON O[A]R + TON [ORSON]
14 A soldier boy, one of Daphne's family (5)
AGILA A GI + LA[D] AGILE
15 By place for judo, priest stumbled dropping his one bit of bread (8)
DOORSTEP DO[J]O + Anagram PRIEST less I
17 Truant playing roque with chairman (7)
MOUCHER Anagram RO[G]UE + CHM [MOUTHER]
19 Power to exchange locally returned fruit (4)
PEPO P + [C]OPE reversed [PESO]
20 A clan's sabotaged the drains (5)
NALAS Anagram [C]ANALS [NAIAS]
21 Dan set off for appointments (5)
DATES Anagram DA[N]SET RATES
22 Associates sacking Dutch cooks (5)
FRIES FRIE[N]DS less D (Dutch) [TRIES]
25 How dot can show island near Bikini (5)
WOTHO Anagram HOW [D]OT [SOTHO]
27 Aspires to get flavour in beer (4)
HOPS 2 definitions HOP[E]S [COPS]
28 Find fault with dull fruit (7)
IMPEACH [D]IM PEACH [EMPEACH]
29 Comic verse from determined relative (8)
DOGGEREL DOGGE[D} REL {HOGGEREL]
32 Helen's flourishing radiance (5)
SHEEN Anagram HE[L}EN’S [STEEN]
33 Rustic's to tolerate clever Arab (5)
ABEAR AB[L]E + AR (Arab) [ANEAR]
34 Softly touch skin (4)
PEEL P + [F]EEL [PEER]
35 Vehicles with carbon components (5)
CARTS C + [P]ARTS [CARDS]
36 People including alcoholic drink as provisions (6)
BOARDS [J]AR in BODS [BEARDS]
37 Old Italian punch enhances function (6)
SABINE [J]AB in SINE [SALINE]
 
Down
1 Funeral music, possibly a hit in most of fashionable church (9, two words)
SLOW MARCH [B]LOW in SMAR(t) + CH
2 Governor has quiet party (4)
BASH BA[N] + SH [BOSH]
3 Tax Yorkshireman's dogs (8)
SCOTTIES SCOT (tax) + TI[K]ES [SNOTTIES]
4 Pulses in a variety of bortsch (6)
THROBS Anagram BORTS[C]H [THROES]
5 Prudent people work hard to shed fifty juniors (6)
SAVERS SLAVE less L + [J}RS [SAVORS]
6 Supporter eats dread nouveau sweet (8, two words)
PEAR DROP Anagram [D]READ in PROP [TEAR DROP]
7 Reword Edward's early poem (4)
EDIT ED + [D]IT [ADIT]
8 Threadlike wire for storing correspondence about baseless hoax (6)
FILOSE [J]OS{h) in FILE [PILOSE}
9 Bread in Uzbekistan - filthy mush! (3)
SUM Anagram MUS[H] [SUE]
11 Deck bereaved with cut branches (5)
ORLOP OR[B] + LOP [ORLON]
16 Inn cooked chops with suet and a pinch of oregano (9)
POSTHOUSE Anagram [C]HOPS + SUET + (oregan)O [POST-HORSE]
18 Attached quick knot round middle of sheet (8)
FASTENED FAST + (sh)E(et) in [B]END [HASTENED]
19 Physical one replaced by state is motherly (8)
MATERNAL MATERIAL changing I to N[C] [PATERNAL]
23 Waste time with base measurement taken backwards (6)
FOOTLE FOOT (base) + EL[L] reversed [ROOTLE]
24 Official clergyman returned equipment (6)
VERGER REV (reversed) + GE[A]R [VERGES]
25 Female's grabbing attention -- strips (6)
SHEARS SHE + [E]ARS [SMEARS]
26 After a month Henry is relating to eight (5)
OCTAL OCT (October) + [H]AL [OCTAD]
30 Tribe beginning to tolerate toff (4)
GENT GEN[S] (tribe) + T(off) [GENA]
31 Maine's red lake (4)
MERE ME (Maine) + RE[D] [MERI]
32 Acquire black nut (3)
COB CO[P] + B [SOB]