| From | Team | Fee | Apps | Goals | To | |
|---|---|---|---|---|---|---|
| 1995 | Brentford | - | 70 | 8 | 1998 | (Player) |
| 1998 | Crystal Palace | £300,000 | 28 | 5 | 1999 | (Player) |
| 1999 | Port Vale | £375,000 | 23 | 1 | 1999 | (Player) |
| 1999 | Sheffield United | £300,000 | 48 | 20 | 2000 | (Player) |
| 2000 | Blackburn Rovers | £2,100,000 | 37 | 8 | 2001 | (Player) |
| 2001 | Ipswich Town | £3,000,000 | 61 | 21 | 2004 | (Player) |
| 2003 | Leicester City | Loan | 33 | 9 | 2004 | (On loan) |
| 2004 | Everton | £450,000 | 55 | 7 | 2006 | (Player) |
| 2006 | Charlton Athletic | £2,500,000 | 46 | 4 | 2008 | (Player) |
| 2007 | Wigan Athletic | Loan | 31 | 7 | 2008 | (On loan) |
| 2008 | Birmingham City | £1,000,000 | 33 | 3 | 2011 | (Player) |
| 2009 | Middlesbrough | Loan | 7 | 0 | 2010 | (On loan) |
| 2010 | Queens Park Rangers | Loan | 3 | 0 | 2010 | (On loan) |
| 2010 | Wolverhampton Wanderers | Loan | 3 | 0 | 2011 | (On loan) |
| 2011 | Sheffield United | Loan | 11 | 0 | 2011 | (On loan) |
| 2011 | Mitra Kukar | - | 11 | 4 | 2012 | (Player) |
| 2017 | Wick | - | 2018 | (Player) | ||
| 2020 | Cornard United | - | 1 | 0 | 2020 | (Player) |