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How to remove internal walls and change your home’s structural layout

Planning to reconfigure, change and alter the layout of your home? Find out how to design your new layout and remove the internal walls of your home.

21 January 2024
5 minutes read
Focused woman wearing gloves removing plaster from an internal wall during a home renovation, with another person working in the background, representing DIY home improvement.

There are a number of reasons to remove internal walls and rearrange the layout of your home.

Perhaps your home is too dark, so you want to increase the flow of natural light; or maybe you feel cramped in your compartmentalised flat and want to create an open floor plan that ties your kitchen together with your dining area.

Whatever the reason, you may find yourself needing to remove internal walls to rearrange the layout of your home.

But what is the best way of doing this? And what relevant regulations do you need to consider?

What you will learn on this article is so fundamental in understanding how to remove your internal walls in order to change the structural layout of your home. You'll learn how to design and build safe and cost effective spaces and what you have to do to seek statutory consents such as Planning Permission and Building Regulations (Building Control).

Let’s jump right in...

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Do I need planning permission to remove my internal walls?

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

However, if your home is a listed building, then you may need to seek listed building consent to make internal alterations, such as subdivision of rooms or removal of walls and the insertion, alteration or removal of historic features such as doors, fireplaces, panelling, staircases and decorative mouldings; changing internal decoration.

Be warned: carrying out work to a listed building without listed building consent is technically a criminal offence so it is important to have a good understanding of what does and what does not require consent.

Obtaining listed building consent is known to be stricter but by no means is it impossible.

Interior construction site with metal stud framing for a new wall, exposed wooden beams, and old plaster on brickwork, indicating a work-in-progress house renovation.
Home renovation in progress with a view of a partially deconstructed floor and metal stud partitions, showcasing the skeleton of wooden beams and the installation of new electrical wiring.

How can I find out whether the wall I want to remove is a load bearing or non-loading bearing wall?

First, it’s important to understand the difference between a load-bearing and a non-loading-bearing wall.

Load-bearing walls separate rooms and transfer loads from other parts of the structure (such as the roof and floor) down to the foundation.

Non-load-bearing walls provide separation between rooms and are not required to transfer any load. However, they may sometimes be part of a fire escape route.

Second, you’ll need to determine whether the wall is load-bearing.

But beware: either you or the builder can do this, but it’s advisable to appoint a structural engineer to assess the property and determine whether the wall is a load bearing or not, and advise you on how to remove the wall in terms of the structural integrity of your property.

Whether the wall is load-bearing or not will greatly affect your path forward.

In the next sections, we’ll go over the main differences. Keep reading and you’ll find out more about knocking down a load-bearing and non-load-bearing wall.

Stack of Building Regulations Approved Document Part B books on fire safety in dwellings, 2006 edition, on a grey surface indicating essential guidelines for construction and design professionals.

Do I need to make a building regulations (building control) application to replace a load-bearing wall with a steel beam?

To begin with, if the wall is a load-bearing wall, you need to appoint a structural engineer to design an adequate replacement. Very often this is done by using a steel beam and pad stones.

Once the structural design is completed with the structural plans, calculations and specifications, you or your engineers need to make a building regulations (building control) application.

So let’s get down to it...

There are two ways you can make a building regulations application, either by making a Full Plans application or by submitting a building notice.

Remember: whether you are renovating your home from scratch, converting your property, or simply adding an extension, you will need a structural engineer proficient in preparing your structural plans, calculations and specifications for your building regulations application.

Beyond that, if the removal process requires a side of the beam to be supported by the party wall – which is a wall that is shared by two adjacent properties – then you will need to enter into a party wall agreement with the adjoining owner.

What if I remove a non-load-bearing wall?

Even if you’re removing a wall that isn’t load-bearing, you may still need to make a building regulations (building control) application.

Let me give you an example...

This may be necessary if, for instance, you’re converting your loft and altering the walls surrounding the staircase. In case of a fire, these walls may be necessary to protect residents as they exit the building; thus, removing or altering these structures could result in a fire-safety hazard.

Open architectural handbook with detailed construction diagrams and technical building specifications, resting on a white surface with a focused overhead light.

What I need to be wary of to avoid potential problems with removing my walls?

Once you have determined whether the wall is load bearing, you will need to locate the electric sockets, switches and radiators attached to the wall and move them to another location in the room. Even if there are none present, there is a chance that certain features will be found inside the wall.

A word of warning: If there’s a radiator attached to the wall, removing the wall and the radiator will most likely cause a heat discrepancy. This is because there will be an inadequate number of radiators left to maintain an equal temperature throughout the larger room created by the wall removal.

Again, it’s wise to hire a competent professional that has experience with this sort of labour.

Construction supervisor wearing a high-visibility vest with 'Urbanist Architecture' logo, walking through an indoor space during a site inspection.

What I need to do to pay close attention for changing the structural layout of my home?

Now that you’ve located the various features on (and in) your wall, you can begin the process of removal. This can be done by your builders with the guidance of your architects and engineers.

First, you’ll have to install protection to prevent dust from spreading into the other rooms. Then you’ll need to remove all the features from the wall – and the existing ceiling features on either side of the wall – in order to gain access to the top of the wall.

Then you would require to insert supports on both sides of the wall to support the existing ceiling (or the wall above). Next, you would slowly remove everything from above head height and clean the debris as you go. Lastly, you would require to place the proposed structural element (a steel beam in most cases) into the position. Once the structural element is in the position, you would then need to re-plaster and paint the ceiling, and all the other affected areas.

What is the cost of removing a load bearing wall and replacing it with a beam?

The cost to remove internal walls depends on many factors such as the new steal beam specifications, the existence of any features on the wall and the party wall agreement.

While every project is unique and it is impossible to give an accurate price without tender and construction drawings, we have built a build cost calculator to give you a sense of what you need to budget.

Did you know that the average homeowners spend more than £10,000 on unnecessary building related costs?

A large percentage of these costs can be mitigated by working with the right structural engineer. A competent structural engineer will cut that by helping you design simple, feasible and cost-effective building regulations drawings, structural calculations and specifications.

Inadequate structural advice can cost you a fortune... but Urbanist Architecture can help you safely change your home's layout

Inadequate advice can invalidate your insurance and even cause collapses. That is why you need to hire a technically sharp engineer for your project!

There are several firms of excellent structural engineers that we have worked with many times and that we can collaborate with to not only help you get Building Regulations Approval but also design simple, feasible and cost-effective structural solutions.

And did you know that we currently achieve a 100% success rate with building regulations (building control) applications?

With our expertise and experience, we can help you achieve your goals, simplifying the process along the way.

We will utilise our creativity to you help you achieve many things; a balance between rooms, a casual feel throughout the home and a better (more efficient) use of space. With a better layout, you can attain a better quality of living. To make your dream a reality, contact us today.

Robin Callister, Creative Director and Senior Architect at Urbanist Architecture
AUTHOR

Robin Callister

Robin is our creative director, guiding our architectural team with the wisdom of more than 20 years of experience. All architectural projects at our practice are overseen by Robin, so you know you’re in the safest of hands.

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