The Rothschild family had begun to acquire vast tracts of land in Buckinghamshire earlier in the century, on which they built a series of large mansions from 1852 onwards.
Leopold de Rothschild, whose principal country residence was Gunnersbury Park, used Ascott at first as a hunting box, but realising the limitations imposed by its modest size, in 1874 he employed the architect George Devey to enlarge it.
This rustic design no doubt deliberately reflected the house's original intention as a rural retreat and hunting lodge purely for relaxation and pleasure, and contrasted with the family's alternative country home, the more classical and thus impressive Gunnersbury Park.
Other Rothschild houses in Buckinghamshire were all designed in the more formal styles of architecture, either the classical renaissance such as Mentmore or that of a French château as at Waddesdon Manor.
Multiple gables of varying heights with roof lines sweeping to different levels resemble those later designed by the more notable Edwin Lutyens.
A sundial made entirely of topiary complete with Latin numerals proclaims in clipped yew: "Light and shade by turn, but love always".
The largest feature of the garden is the bronze fountain representing Venus in her shell chariot attended by cherubs, by the American sculptor Thomas Waldo Story.
In the centre of the garden Story's tall fountain, crowned by Cupid supported by dolphins, is surrounded by a formal bedding scheme.
From the entrance front's adjacent garden of topiarised box and bay trees a long-grassed avenue, enclosed by a tall beech hedge, leads to the lily pool.
This pool, originally created for skating, is the heart of a Monet-style garden, complete with a thatched summerhouse also designed by George Devey.
[6] Ascott House, with some of its important art collection and a small part of the estate, was given in 1947 to the National Trust by Anthony de Rothschild.