Tilgate was first mentioned in 13th- and 14th-century tax returns with the inclusion of land owned by William Yllegate (or de illegate).

The estate was sold by auction on 7 September 1939; this included the park and mansion and properties in Three Bridges.

There are also two Primary schools within the area, as well as a parade of shops, churches, medical facilities, "The Hoppers" public house and other amenities.

The area is one of the quietest in Crawley, as the population is largely made up of older residents.

K2, a new leisure centre for Crawley, was opened in November 2005 on land formerly belonging to Thomas Bennett School.