I googled Foreign Church Wendover and found this:
The parish of Wendover in 1837
The parish of Wendover is very extensive; containing 5000 acres, and, by the last census, 409 houses and 1920 souls. Of these, 1200 reside in the town of Wendover, distant a quarter of a mile from the church; and the rest called "The Foreign," are scattered in detatched cottages and little hamlets upon the Chiltern Hills, such as King's Wood and Lee Grove, at a distance of about three miles, and Scrub Wood, on the opposite hill at a distance of two miles . . .