Open space land is, broadly, land laid out as a public garden, or used for the purposes of public recreation, or land which is disused burial ground (section 336 of the Town and Country Planning Act 1990), though there is a broader definition in section 20 of the Open Spaces Act 1906 (OSA 1906). There, the expression 'open space' means any land, whether inclosed [sic] or not, on which there are no buildings or of which not more than one-twentieth part is covered with buildings, and the whole or the remainder of which is laid out as a garden or is used for purposes of recreation, or