English: Permitted Development Rights
Welsh: Hawliau Datblygu a Ganiateir
Subject: Cynllunio
English definition: PDR. Rights to carry out certain limited forms of development without the need to make an application for planning permission, as granted under the terms of the Town and Country Planning (General Permitted Development) Order 1995.
Welsh definition: Hawliau i wneud rhai mathau o ddatblygiad cyfyngedig heb yr angen am wneud cais am ganiatâd cynllunio, fel y rhoddir o dan delerau Gorchymyn Cynllunio Gwlad a Thref (Datblygiad Cyffredinol a Ganiateir) 1995.