Do I need planning permission to change a window to a door?

Author: Dr. Bradley Braun  |  Last update: Tuesday, February 10, 2026

Changing a window into a door – for example, if you're changing a window to patio doors, you will likely need planning permission. Especially if the new opening alters the size of the structure or involves significant structural modifications.

Do I need planning permission to turn a window into a door?

A building notice is suitable if the work is small-scale and involves only minor changes… such as changing a window to a door. The application can be completed online and you'll need to submit approved plans, including detailed construction specifications. It's worth noting that there's also a fee involved.

Do I need a permit to make a window into a door?

If you're adding a new window or door or changing the size of an existing one, then you are changing structure. The reason you need a permit for this is to ensure the continued safety of people in the home when structural changes are made. Why not just get a permit?

Can I change a window into a door?

Converting a window into a door is a structural change. Because there is plumbing, wiring, and the potential for structural damage, your plans must be legally approved and a license granted.

Can I change my windows without planning permission?

You should not need planning permission if you are fitting windows which are identical, like-with-like replacements. However, if the new windows differ in appearance or size to those you are replacing (for instance, different glazing patterns) you may need to apply for planning permission.

Converting window to french doors

Do you need permission to put a new window in?

You don't need planning permission if you are replacing like for like windows, meaning the same sizes and style. If you want to add extra windows to a property, you need planning permission. There are procedures for what falls into permitted improvements and when planning permission is needed.

Do I need planning permission for a new door?

The Quick Answer: Planning permission is NOT required to replace the windows and doors in dwelling houses, on condition the new items are 'like for like in materials and appearance'. Timber must be replaced with timber, and sliding sash window with a sliding sash window.

Do I need planning to replace a window with a door?

Yes, changing a window to a door in Ireland typically requires planning permission, especially if the changes affects the external appearance of your property.

Is it cheaper to replace a window or a door?

Replacing all of the windows on your home may be more costly than replacing the door, but it can end up reducing your energy bills by 30%.

How close can a window be to a door?

First, glass that is located parallel to the closed door and within 24 inches of either side of the door must be tempered. Second, glass that is located perpendicular, or less that 180 degrees, from the plane of a closed door and within 24 inches of the hinge side of an in-swinging door must be tempered.

How much to turn a window into a door?

Get quotes from up to 3 pros! Enter a zip below and get matched to top-rated pros near you. On average, the cost to convert a window into a door is $1,900, with prices ranging from $500 to $3,800.

Is adding a door a structural change?

If you are moving walls, windows, or doors, putting in new openings in existing walls, revising roof lines, increasing floor, ceiling, or roof loads, or building an addition, you may be required to have structural engineering for the modifications.

Do you need consent to put in a window?

A building consent is usually not required for building work related to a window or exterior doorway in an existing dwelling.

Can a window be a door?

The process of turning a window into a door – or just enlarging the window – is often known as a 'brick out'. This is because bricks are removed from the wall to create the necessary space. The new area is marked up on the wall before the window and bricks are removed.

Do I need planning permission to remove an internal wall?

Luckily, when it comes to internal alterations, you don't usually need to obtain planning permission to remove your internal walls.

Can I add a window to the side of my house?

Can I add a window to the side of my house? In most cases, you will be able to add a window to the side of your house. Not only will it offer nice views to the people inside, but it will also brighten up a room.

Do I need permission to change a window to a door?

You don't need planning permission to replace doors and windows with those of a similar appearance. Building regulation approval is required on any glazing replacement work or you can use a registered installer (such as Everest) to complete approved work for you.

Can I change a window to a door?

Removing a window and installing a door involves several steps like measuring the door opening, removing the existing window frame and trim, and installing the new door frame. The conversion from window to door can bring more natural light into a room and create a connection to the outdoors.

How much does it cost to put glass in a door?

Door glass replacement.

This type of replacement for doors ranges in price from $200 to $800, depending on the door's size and window type.

Can you put a window in without planning permission?

Planning permission isn't normally required for straightforward window replacement, except in conservation areas and to listed buildings. However adding a new opening for a window can be more contentious, particularly to the side or anywhere a new window would overlook neighbouring properties.

Can you install a window in a door?

The basic answer to this question is: yes! You can definitely get a window in your front door. When we talk about windows in a door we're really talking about a fixed glass unit that allows natural light to brighten up your entrance without turning on a light fixture.

Do I need planning permission to add a door?

If you are looking to upgrade your home entirely with new windows and doors, you may need to apply for planning permission. If you're planning to install new windows and doors that are similar in appearance to those already used in the construction of your house, you typically won't need planning permission.

Do I need a permit to install a new exterior door?

When Do You Need A Permit To Replace An Exterior Door? If you want to increase the size of the door frame, or add fancy glass on the sides (sidelights), you need to get a permit. This is because the replacement is seen as an adjustment to the structure of the home, and the plans need to be checked for safety.

Do I need planning permission to move an internal door?

In most cases, creating a new internal door opening in your property will not require planning permission. However, this does not mean you are exempt from the normal building regulations. Most internal alterations require Building Regulations approval, as they must comply with certain safety standards.

Do I need permission to change my windows in a conservation area?

Generally, if you live in a single occupancy house in a conservation area you will not need to apply for planning permission to change your windows, unless the property is covered by an Article 4 Direction. If you live in a flat or above a shop, you will need planning permission to change your windows.

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