|Born||Lucy Katherine Alexander
27 February 1971
|Residence||Thames Ditton, Surrey, England|
|Television||Homes Under the Hammer|
|Spouse(s)||Stewart Castledine (m. 2000)|
Alexander was born in East Dulwich, London. She graduated at the London Studio Centre in drama and dance. One of her friends there was actress Tamzin Outhwaite. She has an older sister, Sally.
She has presented on the Nickelodeon channel, Five's morning programme Milkshake, and It's a Knockout. Alexander was also one of the main presenters on the now defunct TV Travelshop Channel which was on air from April 1998 to March 2005. Alexander co-presented the BBC's Homes Under the Hammer alongside Martin Roberts (and, from 2015, additionally with Dion Dublin) from its launch in 2003 until 2016, when she announced that she was leaving the programme.
In July 2016, Alexander presented the first episode of the 5-part BBC documentary series Matron, Medicine and Me: 70 Years of the NHS in which she explored the current and historical medical treatment of patients with disabilities in the UK and described her own family's experience of the National Health Service after her daughter was diagnosed with transverse myelitis.
Alexander was introduced to ex-Premier League footballer Stewart Castledine by mutual friend, radio presenter Robin Banks. She married Castledine in 2000 in Richmond, west London - with Tamzin Outhwaite as chief bridesmaid - in an event covered by Hello! magazine. The couple have two children, Kitty (born 2002) and Leo (born 2005). They live in Thames Ditton, Surrey.
- "The Shaftesbury Homes And Arethusa Trading Company Limited - Company Information - Endole".
- Presenter: Len Goodman (1 March 2016). "Holiday of My Lifetime with Len Goodman, Series 2 Episode 22". Holiday of My Lifetime with Len Goodman. BBC One.
- "Lucy Alexander and Stewart Castledine". Hola!. 2000. Retrieved 5 August 2008.
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- "Lucy Alexander steps down from Homes Under The Hammer". BBC News Online. 5 July 2016. Retrieved 29 July 2016.
- Presenter: Lucy Alexander, Director and Series Producer: Richard Weller (28 July 2016). "Matron, Medicine and Me: 70 Years of the NHS, Episode 1". Matron, Medicine and Me: 70 Years of the NHS. BBC One.
- "Cashing in on the big day". BBC News. 29 August 2000. Retrieved 5 August 2008.
- "Kitty went to school feeling unwell - by lunchtime she'd lost the use of her legs: TV host Lucy Alexander tells how a rare disease left her young daughter confined to a wheelchair". Daily Mail. London.
- "BBC - Programmes categorised as Factual: Homes & Gardens: Homes".