Agnes MacKenzie (born 12 October 1955)^{[citation needed]} is a Scottish television personality, cleaner and writer. She is known for co-presenting the Channel 4 series How Clean Is Your House? (2003–2009) with Kim Woodburn and the ITV daytime series Storage Hoarders.

One of Mackenzie's first jobs was working as a secretary for the MI6 for two years, before pursuing a career in journalism.^[1] In 1998, she became an associate editor for Good Housekeeping magazine, where she frequently wrote cleaning tips.^[1][2] In 2002, her involvement in Good Housekeeping led to her being asked to take part in a Channel 4 cleaning show.^[3] After a screen test, programme makers paired her with professional cleaner Kim Woodburn and filming began three weeks later.^[4][5]

How Clean Is Your House? aired from 2003 to 2009, with the duo producing books, board games and DVDs due to the popularity of the series. MacKenzie appeared on The Oprah Winfrey Show in the USA, where How Clean Is Your House? aired on BBC America.^{[citation needed]}

She also appeared as a guest presenter on STV's daily lifestyle show The Hour, alongside anchor Stephen Jardine for two days in September 2009 and for four days in April 2010. In 2011, she participated in Celebrity Masterchef. In December 2012, Aggie presented the ITV programme Storage Hoarders, which returned for a second series in August 2013.

MacKenzie has her own charity called Ukuthasa, which supports people in townships in South Africa, helping them with healthcare, education and housing.^[6] In an interview with Channel 4 she said: "Whenever I can, such as with this interview, I donate my fee to [the charity]".

• How Clean Is Your House? with Kim Woodburn (2003) ISBN 0-7181-4699-9
• Too Posh to Wash: The Complete Guide to Cleaning Up Your Life with Kim Woodburn (2004) ISBN 0-7181-4769-3
• The Cleaning Bible: Kim and Aggie's Complete Guide to Modern Household Management with Kim Woodburn (2006) ISBN 0-7181-4906-8