•
Downing College, Cambridge, designed (1805), west range built (1807–13), east range built (1818–22); the remainder of the design remained unexecuted. •
East India College (now
Haileybury College), Hertfordshire (1805–09). •
Norwich Cathedral, restoration work with his father (1806). • Lower Assembly Rooms,
Bath, Somerset, later the Bath Royal Literary Institution, (1808); demolished (1933). •
Nelson's Pillar, Dublin, altered in execution by
Francis Johnston. •
The Grange, Northington, remodelling based on a Greek temple (1809). •
Argyll House,
Argyll Street, London, alterations to the interior (1809); demolished. •
Pentillie Castle, Cornwall, addition of a new wing (1810). • Theatre,
Colchester, Essex, renovations (1811); demolished. • Lensfield House, Lensfield Road, Cambridge, remodelled, including portico (1811); Wilkins' own house, demolished (1955) and now replaced by the Chemistry Department of
Cambridge University. •
Theatre Royal, Newmarket Road, Cambridge (1814), later remodelled. •
Dalmeny House, West Lothian (1814–19). •
Nelson Column,
Great Yarmouth (1815–17). •
Tregothnan, Cornwall (1815–18). • Theatre Royal, Great Yarmouth (1816); demolished. •
The Perse School, Cambridge, remodelling of interiors (1816); demolished. • Former Freemason's Hall, Bath, Somerset (1817). • Keswick Hall, Norfolk, remodelling and additions (1817–19). •
King's College Bridge,
Cambridge (1818). • Theatre Royal,
Bury St Edmunds (1818). •
Church of St Mary the Great, Cambridge, alterations to the interior including a new west gallery (1819). •
Dunmore Park, Stirlingshire, (1820–2); now derelict/ ruinous. •
New Norfolk Gaol and Shire House, Norwich, built as part of the Norwich Castle complex (1820–24); partly demolished. •
St. Paul's Church,
Nottingham (1821–22); demolished (1926). • New Court,
Trinity College, Cambridge (1821–1827). •
United University Club, Pall Mall East, London (1821–26); rebuilt 1902. • New Court,
Corpus Christi College, Cambridge (1821–27). • Entrance Screen with Gatehouse and South Range with Great Hall and Library.
King's College, Cambridge (1823–28). •
East India Company Military Seminary, Addiscombe, Surrey, added dining room, barracks and office block (1825–27); demolished 1861. • Theatre Royal, Norwich, reconstruction, including a Greek doric colonnade (1825–26); burnt down 1934. • Former
St George's Hospital, (now
The Lanesborough Hotel), Hyde Park Corner, London (1826–28). • County Gaol,
Huntingdon (1826). •
University College London (1826–1830), later completed to amended designs by 1869. •
Yorkshire Philosophical Society Museum (now
Yorkshire Museum) (1827–30). • Brooke Hall, Norfolk, additions (1827). Demolished 1949 following wartime damage. • House,
Kingsweston, Bristol, addition of a Doric portico (1828). •
National Gallery, London (1831–1838); originally only one room deep, and also housing the
Royal Academy; since much extended and remodelled. ==Gallery of architectural work==