A "spinney" was inclosed as a park in 1246 to which the next year 24 deer were set up from Havering-atte-Bower. in Hanworth (now in Greater London) were added to the park in 1270; rabbits were mentioned in deeds in 1251 and in 1276, 100 deer were sent to Kempton. Horses were bred at Kempton in the early 14th century as on other royal manors. The park was reserved (kept back) in the lease of the manor to the chief occupier (tenant) in 1340. Deer were still reared in 1376 and a grant of the herbage was made in 1384.