Redhill got its name from the red-sandstone hill (south of the town centre) Redhill Common was named “redehelde” (red slope) by the Saxons (Early 14th century) http://www.redhill-reigate-history.co.uk/rhcom.htm In the 16th century it was named “Redd Hyll” In the 17th it was renamed to “Red Hill by Reigate” In the 19th Century the town was named “Warwick Town” (due to the “Warwick Road” running through the centre of the town) Later in the 19th Century the name “Redhill” become a more popular name