Eyles Di Paola Architects | Prior Approval
Eyles Di Paola Architects | Planning

Prior Approval

Standard Permitted Development legislation generally allows for extensions of up to 3m in depth (4m for detached properties) to the rear of an existing terraced or semi-detached house. Potentially an extension of up to 6m in depth (8m for detached properties) is possible under Permitted Development legislation, subject to a successful Prior Approval application.

A Prior Approval application must demonstrate the size and location of a proposed extension within the limitations of Permitted Development legislation in all respects except the length (which would naturally be greater than allowed under the standard legislation).

The local authority is required to give 21-days’ notice to the owners of any properties which share a boundary with the application property. If no representations are received within the notice period, the proposal is then deemed to be included under Permitted Development legislation and is subject to the specific regulations and guidelines of that legislation.

Important Note:

Where an extension of up to 6m (terraced and semi-detached houses) or 8m (detached houses) is deemed to fall under Permitted Development legislation following a Prior Approval application, it is vital that the developer (the person for whom the work is carried-out) gives written notice to the Local Authority on completion of the works.

For Prior Notice applications approved before 6 April 2015, the building must be completed and the Local Authority notified before May 2016.

For Prior Notice applications approved after 6 April 2015, the building must be completed and the Local Authority notified before May 2019.

You must ensure that the works are completed by the appropriate deadline and that the Local Authority is duly notified.

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