The best selling album in 2003 in United Kingdom was LIFE FOR RENT by DIDO which sold 2,170,000 copies.
| Rank | Artist | Album | Sales | Released |
| 1 |
DIDO |
LIFE FOR RENT |
2,170,000 |
2003 |
| 2 |
JUSTIN TIMBERLAKE |
JUSTIFIED |
1,400,000 |
2002 |
| 3 |
CHRISTINA AGUILERA |
STRIPPED |
1,260,000 |
2002 |
| 4 |
NOW SERIES (UK) |
NOW THAT'S WHAT I CALL MUSIC! 56 |
1,130,000 |
2003 |
| 5 |
DANIEL BEDINGFIELD |
GOTTA GET THRU THIS |
1,110,000 |
2002 |
| 6 |
NORAH JONES |
COME AWAY WITH ME |
1,070,000 |
2002 |
| 7 |
THE DARKNESS |
PERMISSION TO LAND |
1,030,000 |
2003 |
| 8 |
COLDPLAY |
A RUSH OF BLOOD TO THE HEAD |
990,000 |
2002 |
| 9 |
MICHAEL JACKSON |
NUMBER ONES |
960,000 |
2003 |
| 10 |
BUSTED |
BUSTED |
910,000 |
2002 |
| 11 |
R.E.M. |
IN TIME: THE BEST OF R.E.M. 1988-2003 |
910,000 |
2003 |
| 12 |
AVRIL LAVIGNE |
LET GO |
870,000 |
2002 |
| 13 |
WILL YOUNG |
FRIDAY'S CHILD |
860,000 |
2003 |
| 14 |
THE BLACK EYED PEAS |
ELEPHUNK |
800,000 |
2003 |
| 15 |
BEYONCÉ |
DANGEROUSLY IN LOVE |
790,000 |
2003 |
| 16 |
EVANESCENCE |
FALLEN |
780,000 |
2003 |
| 17 |
THE BEST...ALBUM IN THE WORLD...EVER! SERIES |
BEST POWER BALLADS IN THE WORLD EVER |
740,000 |
2003 |
| 18 |
DELTA GOODREM |
INNOCENT EYES |
730,000 |
2003 |
| 19 |
50 CENT |
GET RICH OR DIE TRYIN' |
720,000 |
2003 |
| 20 |
RED HOT CHILI PEPPERS |
BY THE WAY |
710,000 |
2002 |
| 21 |
BUSTED |
A PRESENT FOR EVERYONE |
680,000 |
2003 |
| 22 |
RED HOT CHILI PEPPERS |
GREATEST HITS |
640,000 |
2003 |
| 23 |
SEAN PAUL |
DUTTY ROCK |
620,000 |
2002 |
| 24 |
THE WHITE STRIPES |
ELEPHANT |
610,000 |
2003 |
| 25 |
WESTLIFE |
TURNAROUND |
590,000 |
2003 |
| 26 |
HAYLEY WESTENRA |
PURE |
580,000 |
2003 |
| 27 |
NOW SERIES (UK) |
NOW THAT'S WHAT I CALL MUSIC! 55 |
580,000 |
2003 |
| 28 |
R. KELLY |
THE R. IN R&B COLLECTION, VOLUME I |
570,000 |
2003 |
| 29 |
POP PARTY SERIES |
POP PARTY |
560,000 |
2003 |
| 30 |
SIMPLY RED |
HOME |
560,000 |
2003 |
| 31 |
ROBBIE WILLIAMS |
ESCAPOLOGY |
550,000 |
2002 |
| 32 |
STEREOPHONICS |
YOU GOTTA GO THERE TO COME BACK |
540,000 |
2003 |
| 33 |
BLUE |
GUILTY |
530,000 |
2003 |
| 34 |
NOW SERIES (UK) |
NOW THAT'S WHAT I CALL MUSIC! 54 |
520,000 |
2003 |
| 35 |
ROBBIE WILLIAMS |
LIVE SUMMER 2003 - LIVE AT KNEBWORTH |
510,000 |
2003 |
| 36 |
SUGABABES |
THREE |
510,000 |
2003 |
| 37 |
SOUNDTRACK |
LOVE ACTUALLY |
500,000 |
2003 |
| 38 |
SHERYL CROW |
THE VERY BEST OF SHERYL CROW |
500,000 |
2003 |
| 39 |
ELTON JOHN |
GREATEST HITS 1970 - 2002 |
480,000 |
2002 |
| 40 |
ROD STEWART |
AS TIME GOES BY - GREAT AMERICAN SONGBOOK VOL II |
470,000 |
2003 |
| 41 |
LINKIN PARK |
METEORA |
460,000 |
2003 |
| 42 |
MICHAEL BUBLÉ |
MICHAEL BUBLÉ |
450,000 |
2003 |
| 43 |
BRYN TERFEL |
BRYN |
440,000 |
2003 |
| 44 |
JAMIE CULLUM |
TWENTYSOMETHING |
430,000 |
2003 |
| 45 |
EMINEM |
THE EMINEM SHOW |
420,000 |
2002 |
| 46 |
ATOMIC KITTEN |
LADIES NIGHT |
410,000 |
2003 |
| 47 |
KELLY ROWLAND |
SIMPLY DEEP |
400,000 |
2002 |
| 48 |
BIG BROVAZ |
NU FLOW |
400,000 |
2002 |
| 49 |
ALEX PARKS |
INTRODUCTION |
390,000 |
2003 |
| 50 |
NOW SERIES (UK) |
NOW DECADES |
390,000 |
2003 |