In the City of Westminster, London Boroughs of Camden, Islington and Tower Hamlets and City of London–

• Work No. 1/3A– A railway (10,809 metres in length, in tunnel) commencing by a junction with Work No. 1/8D at a point 42 metres west of the western face of Lord's Hill Bridge over the Reading Railway, passing eastwards and terminating beneath a point 140 metres west of the junction of Stepney Green with White Horse Lane;

• Work No. 1/3B– A railway (10,942 metres in length, in tunnel) commencing by a junction with Work No. 1/8E at a point 42 metres west of the western face of Lord's Hill Bridge over the Reading Railway, passing eastwards and terminating beneath a point 135 metres south-west of the junction of Stepney Green with White Horse Lane;

• Works Nos. 1/3A and 1/3B include stations at Paddington, Bond Street, Tottenham Court Road, Farringdon, Liverpool Street and Whitechapel, shafts between Ranelagh Bridge and Westbourne Bridge, at North Carriage Drive in Hyde Park, and at Park Lane, Fisher Street, Hanbury Street and Stepney Green;