A single storey rear extension can fall under permitted development, meaning planning permission may not be required providing it meets certain criteria.  

In terms of height, the extension must:

• Be no taller than four metres at its highest point

• Have eaves no higher than the eaves of the original house

• Not exceed the height of the original dwelling  

Read about planning permission for extensions on Planning Portal

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Once submitted, your planning application first goes through a validation process. After its validated, the formal decision period is 8 weeks. However, in some cases, especially for more complex proposals or if further information is needed, your local authority may request an extension of time.

Understand more about the decision-making process on Planning Portal

In many cases, you can extend a house without applying for planning permission by using what's known as permitted development rights, provided certain limits and conditions are met. However, if your plans go beyond these restrictions, you will likely need to apply for householder planning permission.

Read guidance on extensions.

See our extensions MiniGuide.

Adding a personal or commercial glamping pod will often require planning permission due to the size and permanence of the structure.

For personal use, whether you require planning permission depends on the size of the structure. If it’s placed in your garden, then it may be classed as an outbuilding and fall under permitted development rights. This only applies if it is not treated as a new living space which many glamping pods will be. Full details on outbuildings are available on our common project pages.

For commercial use, planning permission will be needed for the addition, where relevant this will also cover the change of use. An application should include any utilities connections or access roads that will be added alongside the pod.

Due to the complex nature of installing a glamping pod, we’d recommend talking to your local planning authority or our Planning Guidance Service.

Whether a lean-to requires planning permission will depend on what the lean-to is used for, it may be an extension, pergola, carport, conservatory or gazebo.

In some cases a building a lean-to will be classified as permitted development, meaning an application for planning permission is not required provided specified limits and conditions are met. If these are exceeded, then you must apply for planning permission.

Permitted development rules vary based on the type of work you are completing, visit our Mini Guides for details on the specific rules.

If you live in a listed building, you will need listed building consent for any significant changes.