Based on the Hitachi A-train design, a total of 10 seven-car units will be produced.

[12] The trains will be maintained by a joint team of Alstom and Hitachi staff, alongside the Class 805, at Oxley depot near Wolverhampton.

Customer service features promised include free Wi-Fi, at-seat wireless inductive charging for electronic devices, 230V sockets and USB sockets, a catering offer and a real-time passenger information system that can advise of connecting rail services.

[1] In November 2024, Avanti West Coast ran the Class 807s first passenger service between Liverpool Lime Street and London Euston.

The aluminium shells arrived after being shipped from Hitachi's Kasado plant in Japan.