The American Museum in Britain is based at Claverton Manor, in a house designed by Jeffry Wyattville and built in the 1820s.
Slane, County Meath, Ireland, design for a market house (c.1800)
Long negotiated royal commissions with artists such as Canova, Westmacott, and Lawrence, and when the king decided to reconstruct Windsor Castle, Long drew up a brief which detailed every important feature of the castle as subsequently remodelled by Jeffry Wyattville, from the formation of the Grand Corridor to the heightening of the keep, and he also made a sketch-plan in 1823 for the sunken garden below the east terrace.
He married Jane Lawley, daughter of Sir Robert Lawley, 5th Baronet and lived in the family seat at Wollaton Park, Nottinghamshire, which he had extensively remodeled under the direction of Sir Jeffry Wyattville.
Philip William Wyatt (?–1835) was an English architect, the youngest son of the architect James Wyatt nephew of Samuel Wyatt, cousin to Sir Jeffry Wyattville.
The vestry and north chapel of 1814 are said to be by James Wyatt, however it is more likely to be by Jeffry Wyatt, (later Sir Jeffry Wyattville).
It includes 13th-century work by masons of Wells Cathedral, The vestry and north chapel of 1814 are said to be by James Wyatt, however it is more likely to be by Jeffry Wyatt, (later Sir Jeffry Wyattville).