Do You Need Planning Permission for Bi-Folding Doors?

If you are considering installing new bi-fold doors, you may be wondering if you need planning permission before embarking on your new renovation project. Planning rules and regulations around the installation of bi-fold doors can be confusing and may differ depending on the property type and scale of work required. In this blog we will explore situations when planning permission is needed, when it is not, and what other regulations you should be aware of before starting your project.

Understanding Planning Permission for Bi-Fold Doors

Planning permission in the UK refers to the approval given by the local authority to allow the building of, or changes to, a building. The aim is to ensure that any proposed development or renovation aligns with local planning policies, considers the impact on its surrounding area, and adheres to safety and design standards. However, not all works require planning permission and may fall under **permitted development rights**.

Permitted development rights allow homeowners to make changes to their homes without having to apply for planning permission. Whilst there are limitations in terms of the size of extensions or loft conversions, these limits are quite generous. This means you can undertake a lot of work to your home without having to apply to your local authority, making the process simpler and less time consuming.

When You Do Not Need Planning Permission

For most bi-fold door installations you will not need planning permission. If you are replacing an existing door, are fitting a new door in a permitted development, or not changing the footprint of your home, no formal approval is required. If you are unsure or want further clarification, we would always recommend consulting an expert. However, we're confident that you will be able to go ahead with your bi-fold door renovation without the need for local authority approval.

Replacing Existing Doors with Bi-Folds

If you are replacing existing patio or French doors without altering the size or shape of the opening, you should not need planning permission as structural work is not required. However, if you are considering enlarging the door opening or making visible external changes to your home, we would recommend contacting a professional for further advice and guidance.

Installing Bi-Folds Under Permitted Development Rights

As mentioned above, the majority of bi-fold door installations will fall under permitted development rights. For example, if you are replacing existing doors, adding bi-folds to the rear of a property, or within a small extension that meets development standards, you should not require planning permission. However, again, if you are installing new doors and creating new openings, we would recommend talking to an expert to ensure the correct supports are in place and regulations are being met.

When Planning Permission May Be Required

Whilst most homeowners will be exempt from having to apply for planning permission for new bi-fold doors, there are a few exceptions.

Listed Buildings and Conservation Areas

If you live in a **listed or graded property** or in a **conservation area**, you will most likely have to adhere to stricter planning controls. If are thinking about making any changes to the outside of your home, for example the installation of new doors, you will require formal consent. As such, we would always recommend consulting your local authority or conservation officer before embarking on such a project.

Large Openings or Structural Changes

If you are planning on enlarging an existing opening or creating a new opening for your bi-fold doors, you will need planning approval or building control checks. Such structural work or altering of load bearing walls may not necessarily require planning permission but you may need **building regulations approval** to ensure your new installation is safe and the integrity of the building is secure. As such, we always recommend consulting an expert to discuss the project and relevant approvals required.

Extensions and New Builds

If your bi-fold doors are part of a larger project, such as an extension, they must comply with the building permissions already granted. You should also note that if you make any design changes after this approval has been given, you will need to submit updated plans and reapply for permission. Again, talking to a professional will help to determine the right path for you and your project.

Building Regulations to Consider

When installing your new bi-fold doors it is important to consider both planning permissions and building regulations. **Planning permissions** are focused on the external appearance of a building, for example, the materials used, the location of windows, the impact on neighbours and the surrounding area. Whereas **building regulations** ensure performance and safety. When it comes to bi-fold doors, factors such as accessibility, energy efficiency, and ventilation should all be compliant with any relevant regulations. Here at National Plastics, our range of modern bi-fold doors already meet these requirements, offering you the peace of mind that your investment is compliant.

Common Questions About Bi-Fold Door Permissions

How much does it cost to gain planning permission?

The cost to gain planning permission will depend on the type of project. The cost to submit a full planning permission application in the UK, for the development of a completely new home, is **£624**, whilst permission for alterations or extensions is **£258**. In terms of building regulations, costs will vary depending on the size of your project. For example, a full plans application for a single-story building will cost between **£250 and £550**, and a building regulations inspection is in the range of **£330 to £400**. You'll be pleased to hear that new bi-fold doors, especially those being fitted into an existing opening, should not require any planning permissions, therefore saving you both money and time.

How long does it take to gain planning permission?

On average it takes around **8 weeks** to gain planning permission, whilst larger projects may take up to **13 weeks** before a decision is made.

In what circumstances can planning permission be refused?

The most common reasons for planning permission to be refused include:

• The project overshadowing a neighbour causing loss of light.
• A building overlooking other homes impacting privacy.
• Overdevelopment in the area.
• The proposed appearance would be out of character with the existing property.

What happens if I install without permission?

If planning permission was required but not obtained, your local authority may issue an **enforcement notice**. However, there may also be the opportunity to submit a post-installation planning permission application. As always, it is worth talking to your local authority or planning professional to determine if you need planning permission or not. This will save you time, stress, and money in the long run.

Final Thoughts: Installing Bi-Fold Doors with Confidence

Most bi-fold door installations can proceed without having to obtain planning permission. However, understanding the exceptions to this rule will help you avoid stress, delays, and additional costs at a later date. Regardless of whether you need planning permission or building regulations compliance, the process of installing your new bi-fold doors is simple and straightforward when planned correctly.

Explore National Plastics’ Range of Bi-Fold Doors

If you’re ready to start your bi-fold door project, why not take a look at our extensive range of beautiful, contemporary doors. Call our friendly expert team today on 0800 22 77 77. or visit your local branch to find out more.