sentences:  With no formal definition, it is marked on maps as the area north and east of or including Silwood Park and south of Sunninghill Park; Harewood Lodge followed by Titness House to its immediate east are of similar 18th century construction and have sometimes been recorded as in the Cheapside locality.The bulk of this neighbourhood of Sunninghill has less sandy soil thus a tradition of mixed farming supporting its market hence its name, (the Anglo-Saxon word for a market is a "cheap" as in Cheapside, London); alternatively it may have been an area set aside by the Royal landowners as labourers' cottages and considered therefore the "cheap side".It is throughout at lower altitude (elevation) than the mainly 18th century built-up village south of the church forming the heart of Sunninghill.