Garden city movement create a new garden city. In 2014 The Letchworth Declaration was published which called for a body to accredit future garden cities in the UK. The declaration has a strong focus on the visible (architecture and layout) and the invisible (social, ownership and governance) architecture of a settlement. One result was the creation of the New Garden Cities Alliance as a community interest company. Its aim is to be complementary to groups like the Town and Country Planning Association and it has adopted TCPA garden city principles as well as those from other groups, including those from Cabannes\Ross booklet "21st
Garden city movement was influential in other countries, including the United States. Examples include Residence Park in New Rochelle, New York; Woodbourne in Boston; Newport News, Virginia's Hilton Village; Pittsburgh's Chatham Village; Garden City, New York (parenthetically, the name "Garden City," as it applied to the Stewart-designed city on Long Island, incorporated in 1869, pre-dates that of the garden city movement, which was established some years later near the end of the nineteenth century); Sunnyside, Queens; Jackson Heights, Queens; Forest Hills Gardens, also in the borough of Queens, New York; Radburn, New Jersey; Greenbelt, Maryland; Buckingham in Arlington County, Virginia; the Lake Vista