The information requested falls within the responsibility of the UK Statistics Authority. I have asked the Authority to reply.Letter from Karen Dunnell dated March 2009:"As National Statistician, I have been asked to reply to your recent question asking how many excess winter deaths occurred in (a) Sutton and Cheam, (b) Carshalton and Wallington and (c) Greater London in each of the last 10 years.""Estimates of excess winter deaths are based on the difference between the number of deaths during the four winter months (December to March) and the average number of deaths during the preceding four months (August to November) and the following four months (April to July). The following table provides the number of excess winter deaths that occurred in (a) Sutton and Cheam parliamentary constituency, (b) Carshalton and Wallington parliamentary constituency and (c) London Government Office region for the years 1997-98 to 2006-07 (the latest figures available)." Excess winter deaths,¹,² Sutton and Cheam parliamentary constituency, Carshalton and Wallington parliamentary constituency and London government office region,³ 1997-98 to 2006-074 Parliamentary constituency Government office region Sutton and Cheam Carshalton and Wallington London 1997-1998 40 40 2,520 1998-1999 70 80 4,940 1999-2000 90 60 5,870 2000-2001 40 70 2,780 2001-2002 60 30 2,750 2002-2003 — 30 2,810 2003-2004 10 50 2,040 2004-2005 60 60 3,440 2005-2006 50 80 2,560 2006-2007 50 10 2,100 ¹ The estimated number of excess winter deaths is the difference between the number of deaths during the four winter months (December to March) and the average number of deaths during the preceding four months (August to November) and the following four months (April to July). Figures are rounded to the nearest 10. ² A hyphen (—) denotes there were no excess winter deaths during the period specified. ³ Based on boundaries as of 2008. 4 Figures are based on deaths occurring in each month.