Installing Garden Decking Back to Blog

Installing Garden Decking

Installing Garden Decking

If you live in England or Wales, you are allowed to install garden decking under permitted development rules and you do not need to apply for planning permission to do so. However, there are limitations to this permitted development, so it is important to establish whether or not your project will exceed these limitations.

Permitted development limitations

Decking and other raised platforms are classed as permitted development. You are free to undertake such a project with the following limitations:

  1. Decking and raised platforms must be no more than 30cm above the ground.
  2. Decking and raised platforms, when combined with other extensions, must cover no more than 50% of your garden area.

These limitations apply to attached and detached houses, aswell as maisonettes. Blocks of flats may have different limitations. If your property is rented, you will need to seek permission from your landlord or agent before carrying out any work. Failure to do so may result in legal action against you.

Building regulations

If your decking is likely to incorporate new electrical circuits, or other electrical work, we strongly recommend that you consult with Building Control to establish whether the work is notifiable. In many cases, exterior lighting is permitted development, but Building Control will be able to offer you better qualified advice on your specific project.

Buildings in a conservation area

If your home is in a conservation area, we recommend you contact your Local Planning Authority for advice. It is likely that you will be granted permitted development with the same rules as homes not located in a conservation area, but it is always better to be safe than sorry.

Listed buildings

If you own a property that is listed, permitted development does not apply without listed building consent. We strongly recommend you consult your Local Planning Authority prior to undertaking any form of decking or raised platform work on your listed home. It is a criminal offence to carry out work on a listed property where listed building consent is required.

For more information on gardening decking and planning permission, please visit The Planning Portal.

The information contained within this article is strictly for guidance only.  Cost2Build recommends that you always check current sources of information in case regulations have changed. Cost2Build cannot accept any liability for miscommunication of the law in the case of a change in regulation or any action done to a property based on the information held in this article.


  • img

    Claudia Beck

    0 Reply


    Hey there, I'm doing a research on composite decking and I came across your post on decking - as always, great stuff! I noticed you are linked to Cost2build https://www.cost2build.co.uk/installing-garden-decking I really like the resource, there's some very valuable content in there. In fact, it inspired me to write an article on installing composite decking in sacred places you can check it out here: https://deckingperth.com.au/installing-composite-decking Might be worth adding to your article. Either way, keep up the great work! Cheers, Claudia


Leave a reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> 
<del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>