Mapperton is principally known for Mapperton House, a
Grade I listed manor house set within Grade II* registered parkland and gardens. Mapperton is noted for its manor house, with both house, gardens and Wildlands open to the public from March - October. The house is as is the attached All Saints' Church which dates from the 12th century. The manor had been owned since the 11th century by only four families (Brett, Morgan, Brodrepp, Compton), all linked by the female line, before it was sold to Ethel Labouchere in 1919. When she died in 1955 the estate was acquired by
Victor Montagu,
Viscount Hinchingbrooke. It has remained in the Montagu family since then, and as of 2025 is owned by
Luke Montagu, 12th Earl of Sandwich. In 2006 the house was voted the "Nation's Finest Manor House" by
Country Life magazine. In 2026, Mapperton featured on
Saving Country Houses with
Penelope Keith. The house is run by the current
Earl and
Countess of Sandwich. == Gardens and Landscape ==