Vassall ward is an administrative division of the London Borough of Lambeth, United Kingdom. It is also known as 'Myatt's Field' when informally describing the area. It is located in the North of borough bordering Southwark, in the SW9 and SE5 postcode area. The area is named after Henry Vassall-Fox, 3rd Baron Holland who was responsible for the first building development in the area in the 1820s.