Belinda is married to Neville Peacock who is wealthy and Belinda frequently brags about this to her sisters. She wears a blonde wig and speaks in an exaggerated accent, but reveals her true self at Lynne's hen night under the influence of alcohol. Belinda usually turns up in Albert Square when she is having marriage problems. She has brief flings with Jamie Mitchell and her brother-in-law Garry Hobbs.
Although Belinda resides in Kent, within driving distance of Walford, she makes great use of her villa in Lanzarote. She often holidays there and her grandmother Mo Harris frequently visits, although Belinda often lets down her father Charlie. Belinda is mentioned 2008 when she promises Charlie that she is returning to spend some time with him, only then to cancel, leaving Charlie very upset.
Belinda also makes a small cameo appearance in Slaters in Detention where she has been arrested after Charlie says she was the only normal daughter he has, but sees Belinda at the station and withdraws the remark. She is most recently mentioned in December 2012 by Kat, when Mo and Jean take Tommy to visit her, and in February 2014 when Kat tells her husband Alfie Moon that she was with Belinda while she was actually trying to track down Stacey Slater She first appeared in October 2001, and appeared frequently until Christmas Day 2003.
In 2016, Belinda made a brief return for her father Charlie Slater's funeral. In April 2016, she made a full-time return, when she moved in with her cousin, Stacey.