The Scottish Government is carrying out a review of permitted development rights (PDR) as part of their wider planning reform programme. PDR provide flexibility to carry out certain types of development without a planning application having to be submitted to – and approved by – the relevant planning authority. Part of Phase 3 review focuses on domestic renewables including renewable energy equipment and replacing windows.
As part of this process, the Scottish Government launched a public consultation in summer this year. The consultation is now finished but you can find information on the proposed changes in the below link: