# Planning (Wales) Act 2026, Section 3: Meaning of “development”

Extent: E+W
Status: prospective

(1) This Chapter applies for the purposes of this Act (except Chapter 2 of Part 6).
(2) “Development” means—
(a) carrying out operations on land (see section 4), or
(b) making a material change in the use of land (see section 5).
(3) This is subject to section 6 (operations and changes in use that are not development).
(4) In this Chapter references to use of land do not include use for carrying out operations on the land.

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Source: https://www.legislation.gov.uk/asc/2026/6/section/3 (the official version)
Page: https://openlegislation.uk/planning-wales-act-2026/section-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.