Benjamin Dean Wyatt

Before setting up as an architect in 1809, he joined the Civil Service of the East India Company,[1] working in the office of Lord Wellesley, in Calcutta.

Wyatt advocated a building that produced "a very magnificent & imposing effect" without "the monstrous expense of a Fabrick extended to the dimensions of Blenheim [or] Castle Howard".

The main block of the house was planned around an octagonal staircase hall, with a coffered dome pierced by an oculus, in the manner of the Pantheon in London, designed by his father James Wyatt.

[7] A second phase, started after Wellington had become Prime Minister in 1828, included a new staircase and the Louis XIV style "Waterloo Gallery" on the west front of the house.

[7] He added a two-storey north wing to Westport House in Mayo, Ireland in 1816 for the 2nd Marquess of Sligo[citation needed].

This was followed by a corresponding South wing of 1819 which contained a two-storey high library surrounded with a mezzanine floor supported on cast iron brackets which gave access to the books.

[9] He designed the interiors of Belvoir Castle (1825–30), including the Dining Room, Picture Gallery, Elizabeth Saloon and, in the grounds, a Romanesque-style mausoleum.