and is thought to mean 'leaping place on the river where rushes grow', referring to the River Pinn . [2] It is formed from the Old English 'rysc' and 'hl?p'.   Areas commanding high demand for residentail properties include;  Uxbridge, Ickenham, Hillingdon, West Drayton, Yiewsley, Hayes & Harlington, Heathrow Village, Cowley, Northolt, Harefield,