1-across – Did work badly: student chucked out : BUNGLED

5-across – Takes in with the eyes of a sailor : ABSORBS

10-across – One with old-fashioned image : IDOL

11-across – Damaged car in tense passing situation : TRANSIENCE

12-across – Where you’ll find screws on the door : PRISON

13-across – His aim is perfection : DEADSHOT

14-across – Sound evidence of the presence of trippers : FOOTFALLS

16-across – An entrance of ornamental stone : AGATE

17-across – Article written about the professional stage, perhaps : APRON

19-across – These voices were heard in Xanadu : ANCESTRAL

23-across – All being well, it should be empty : HOSPITAL

24-across – Fits and starts : SPASMS

26-across – Corner at 90 : RIGHTANGLE

27-across – Bill about a land measure : ACRE

28-across – Drawing instrument traditionally boxed : COMPASS

29-across – Not far out in marine navigation : INSHORE

2-down – Experience diminished energy : UNDERGO

3-down – Flag raised when there are festivities : GALAS

4-down – Result of converting sea into land : ESTONIA

6-down – Conductor caused public transport to stop : BUSBAR

7-down – Give short change in error : OVERSIGHT

8-down – Withdraw, having a slipped disc : BACKOUT

9-down – Fly family with extensive members : DADDYLONGLEGS

15-down – Nothing unusually posh in a voyage in this : TROOPSHIP

18-down – It may qualify as part of an agreement : PROVISO

20-down – Orders are sent from Asia : EASTERN

21-down – Throw out married lover : ADMIRER

22-down – Animals unleashed on society? : STRAYS

25-down – A party put down : ABASH

1-across – Make safe application, getting overfed first : DEFUSE

4-across – Differentiate flow : STREAM

9-across – Crucial juncture to clue on purpose? : POINTOFNORETURN

10-across – Nurses start to show sign of affection : CARESS

11-across – Reminder that middle of alphabet gets unsteady income : MNEMONIC

12-across – Language of island issuin’ challenge : MANDARIN

14-across – Throw’s thrown, mould’s moulded and 9’s passed : THEDIE

15-across – See 14 : ISCAST

18-across – Artist takes a line about currency : MONETARY

21-across – Flourish on husks and meal : BRANDISH

22-across – Drink putrid stuff in commotion : RUMPUS

24-across – Perchance to dream amid religious images – pass 9 : CROSSTHERUBICON

25-across – Lecher said to glow : LUSTRE

26-across – Papers not beginning to cover city break : RECESS

1-down – Light entertainment for 10 in play : DIORAMA

2-down – Hurdle in Fenchurch : FENCE

3-down – Patron to trail round the poles : SPONSOR

5-down – Charge for accommodation under hill 4 : TORRENT

6-down – Edited text about traveller without inhibitions : EXTROVERT

7-down – Drink suggests cunning ways to get into skirt : MARTINI

8-down – Marker of time, wearing no monocle, it not all there : GNOMON

13-down – Number needing help to get up is the doctor’s report : DIAGNOSIS

16-down – Solar system receiving gold for the sisters : SORORAL

17-down – Giggle about women, as birds do : TWITTER

18-down – Many have mistaken Lehar for a composer : MAHLER

19-down – Bringing up to run true to form : NURTURE

20-down – Shrill and unrefined, they say, taking care of the Guardian : RAUCOUS

23-down – The state of the compiler – covered in hair! : MAINE

9-across – Pig entertains lieutenant on a ship : OILTANKER

10-across – Spare time right during cutback : EXTRA

11-across – See 23 : SHILTON

12-across – Fizzy drink with pork and apple, perhaps, as drug source : POPPIES

13-across – See 21 : NOSE

14-across – Cut centre page out : PERCENTAGE

16-across – As a substitute, one sent off before promotion : INSTEAD

17-across – Training brought back in call for sporting event : SHOTPUT

19-across – Nature’s big, bad engine : GASTURBINE

22-across – ‘en party’s pronounced language : URDU

24-across – Singer, one spotted holding note : DOMINGO

25-across – Menace should carry ecstasy then : THEREAT

26-across – School detention for cocaine abuse? : LINES

27-across – Criminal skirting round prayer, beheaded : DESPERADO

1-down – For whom indulgent acts no problem! : CONSENTINGADULT

2-down – I spell wrong is a grammatical omission : ELLIPSIS

3-down – Refuse the middle, say : WASTE

4-down – White boy finds nearest man in blue : SKINHEAD

5-down – Cancer, for instance, is right in issue : TROPIC

6-down – Missing excuse, hiding nothing, no fuss, so America to step down when dismantled? : WEAPONSOF

7-down – A ploughman sounded a menace once : ATTILA

8-down – See 6 : MASSDESTRUCTION

15-down – Once more fit out on vessel during search : REFURNISH

17-down – Some people sit in a sauna upside down to get clean : SANITISE

18-down – Pizza topping doubly average having eaten seconds : PARMESAN

20-down – Paul’s in the record business – It’s a Sin : SIMONY

21-down – Flower that’s been laid into red bouquet : BLOODY

23-down – Keeper of hotel safes, formerly : PETER