| May/June 2003 | Meet with companies and their reporters while they develop their draft business plans for submission in August 2003. |
| June 2003 | June returns - company annual reports for 2002-03 submitted to Ofwat. |
| August 2003 | Companies submit draft business plans (subsequently, companies will publish summaries.) |
| October 2003 | Publication identifying issues emerging from draft business plans. |
| October 2003 - December 2003 | Provide feedback to companies on their draft business plan submissions. |
| November 2003 | Ofwat meet WaterVoice to hear views on draft business plans. |
| December 2003 | Provide companies with details of 2005-06 programmes. |
| December 2003 | Publish results of joint customer research. |
| January 2004 | Ministers provide final guidance on the required quality programme. |