Production was completed rapidly through modifications of surplus Tudor 2 airframes with a single example each of the Ashton 1 (WB490), Ashton 2 (WB491), Ashton 4 (WB494) and three Ashton 3s (WB492, WB493 and WE670), all built by Avro at Woodford.
A produción completouse rapidamente a través da modificación de fuselaxes de Tudor 2 excedentes fabricándose un único exemplar dos Ashton 1 (WB490), Ashton 2 (WB491), e Ashton 4 (WB494), e tres do Ashton 3 (WB492, WB493 e WE670), todos fabricados por Avro en Woodford.