Can I use permitted building rights to build a roof terrace?

Can I use permitted building rights to build a roof terrace?

Lisa Andrews (Horticulturalist) gives expert video advice on: Do I need planning permission for a roof terrace?; Can I use permitted building rights to build a roof terrace?; What would be the grounds for not allowing a roof terrace?

Yes, every building project is unique. It is possible to use permitted building rights, especially if the terrace is within the volume of the original roof.