Though he was living at 27 Claremont Road, Walthamstow in 1911 census with his largely Italian-born family, including future TV cabinet manufacturer brother Victor. In 1912, Ercolani took up a part-time appointment at High Wycombe Technical School, teaching furniture design to evening classes which were attended by High Wycombe's furniture makers.
Ercolani resided at 27 Claremont Road, Walthamstow with his Italian-born family in 1911 census and brother Victor. In 1912, he worked part-time at High Wycombe Technical School, teaching furniture design to evening classes attended by local craftsmen.