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Extensions to Residential Dwellings

Building Extensions and Permitted Development

The increased size limits for single-storey rear extensions that were previously time limited and due to expire on 30 May 2019 have now been made permanent by government. Any such proposals will still be subject to the associated neighbour consultation scheme. This requires that the relevant Local Planning Authority is informed of the proposed work via a prior approval application.

A building extension is often a cost effective method of adding value and function to a home. In order to erect an extension without Planning Permission, the following should be adhered to. It should be noted that any other design concept beyond these can still be accepted within reason.


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Note: This information has been checked against the content on the Planning Portal Website.

Last modified: 26 August 2019.