Wonersh Park was a lightly wooded park now public Green in front of and beside the church. Through the park runs a small stream and its 17th century stone gatehouse houses a protected species of bat. Wonersh Park, a 17th-century mansion, was demolished in 1935. Owners were: the original owner of the demolished building Richard Gwynn, who died in 1701, and it passed by issue's marriage to 1710 Sir William Chapple, serjeant-at-law and later judge who probably rebuilt it; later passing in 1741 to Fletcher Norton, 1st Baron Grantley of Grantley in Yorkshire, leading government lawyer created Lord Grantley in 1782. His family held Wonersh Park until 1884 on a sale to Mr. Sudbury.