[3] His earliest known portraits are two conversation pieces dated 1736; one, possibly showing the Brewster family of Beccles, is in the collection of the Geffrye Museum.
[4] In 1746 he was commissioned by the artillery company in Norwich to paint a portrait of William Crowe (who became mayor the following year),[5] breaking the monopoly on civic portraiture in the city held until then by the German-born John Theodore Heins.
[3] An obituary in a Norwich newspaper was to describe him as "an eminent portrait painter of this city, who principally through the power of genius and dint of application, acquired a degree of perfection in his art, which would have been deemed excellent, even had it been accompanied with a liberal tuition.
"[5] According to A General History of the County of Norfolk, published in 1829, "the best of his portraits are at Langley; Mr. Turner and Mr. Carr, both of [Norwich] have historical subjects by him.
"[5] In 1756, a 64-page treatise by Bardwell, entitled The Practice of Painting and Perspective Made Easy, dedicated to the Earl of Rochford, was published, printed by Miller of Bungay.