Myddelton Square, the largest square in Central London's Clerkenwell, is a residential public garden square of the 1820s to 1840s, with playground, with many trees; its houses are built with exposed brickwork, Georgian style, with high-ceilinged ground and first-floor storeys. Two of its houses were obliterated and rebuilt, and two declared unsafe and rebuilt, in the London Blitz.
Internally, with roads and pavements, it spans 3.84 acres (1.55 ha), as measures 414 feet (126 m) by 370 feet (110 m) from one set of houses fronting, to another.