UNDERRIVER was, by an Order in Council, October 30, 1877, formed into a district chapelry from the parish of Seal. It is 3 miles south-east from Seven-oaks station on the South Eastern and Chatham railway, in the Western division of the county, lathe of Sutton-at-Hone, hundred of Codsheath Sevenoaks petty sessional division, union and county court district, and in the rural deanery of Shoreham and archdeaconry of Maidstone. The church of St. Margaret, erected about 1870, is of stone in the Rectilinear style, and affords 150 sittings. The register dates from the year 1886. The living is a vicarage, net yearly value £95, in the gift of Lord Sackville, and held since 1901 by the Rev. Sidney Stapleton Adkins. M.A., LL.D, of the University of London. The principal landowners are Edward Herries esq. C.B. of St. Julian’s, Sevenoaks, Arthur Pearson Davison esq. of Broughton Grange, Oxon, and the Earl of Derby K.G., G.C.B., P.C. The soil is clay and rock; subsoil, rock. The chief crops are hops and corn. The area is included in Seal; the population in 1891 was 202.

National School (mixed), erected in 1850, for 65 children; average attendance, 37.