Regulations for external lighting Back to Blog

Regulations for external lighting

Regulations for external lighting

If you want to install external lighting on to your home, you do not need planning permission. However, if you live in a listed building, you may require listed building consent.

Installing external lights

Although you do not need planning permission to install external lights on to your property, reasonable provisions should be made to ensure the installation is safe and fit for purpose.
We recommend that you:

  1. Install a lamp whose capacity does not exceed 150W: You may install as many lights as your system can handle, however each light should be no more than 150W.
  2. Lighting installed should automatically switch off in daylight and when it is not required at night.
  3. Ensure all light fittings that make use of sockets can handle an energy efficiency greater than 40 lumens per circuit-watt.

If you have limited experience in the installation of exterior lighting and electrical work, you should not attempt to install an outside light yourself. Doing so could result in injury or even death. We therefore recommend that you hire a professional electrician. If you are to carry out work yourself, ensure that all fittings are marked for outdoor use.

Listed buildings

If you want to install exterior lighting on to a property that’s listed, you may require listed building consent. We recommend you consult with your local planning authority to establish whether or not you will require this.
Remember that regardless of project size, it is a criminal offence to carry out any work on a listed building without listed building consent where required.

For more information on external lighting, 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.

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