Quick –

No. 16, 473

Across: 3 Apartment; 8 King; 9 Half-crown; 10 Jersey; 11 Genoa; 14 Miser; 15 Trot; 16 Throb; 18 Ever; 20 Event; 21 Ditch; 24 System; 25 Toadstool; 26 Anon; 27 Elsewhere.

Down: 1 Ski jumper; 2 Undressed; 4 Play; 5 Rifle; 6 Marmot; 7 Newt; 9 Heart; 11 Girth; 12 Argentina; 13 Statement; 17 Beryl; 19 Riddle; 22 Catch; 23 Pool; 24 Soar.