Can I Put a Velux Window on My Roof?

John McEvoy
July 4, 2023

It's a question that homeowners have asked for years: Can I put a Velux window on my Roof? The answer depends! Window installation is a significant investment. So homeowners want to be sure they are making the best possible decision. 

So, in this article, we will explore the pros and cons of installing a Velux window on your roof so that you can make an informed decision.

What is a Velux Window?

It is a skylight or roof window designed to let in natural light and fresh air. These windows are made with high-quality materials and construction and are often considered a luxury addition to any home.

Advantages of VELUX Roof Windows

Here are the advantages of Velux roof windows:

Increased Natural Light and Ventilation

One of the best things about these windows is that they let in an abundance of natural light. It can help reduce energy costs, as you won't have to rely as much on artificial lighting during the day. Additionally, these windows can also help improve ventilation in your home.

Improved Curb Appeal and Resale Value

Not only will they make your home look more desirable, but they can also increase its resale value. This is especially true if your home is in an area with scenic views.

Reduced Noise Pollution: 

They can also help reduce noise pollution from outside sources. This is because they are designed to seal tightly and keep out external noise.

Disadvantages of VELUX Roof Windows

Here are the disadvantages of Velux roof windows:

Cost: 

They can be pretty expensive, especially compared to other types of windows. This is because they are made with high-quality materials and construction.

Installation: 

They must be installed by a professional to ensure that they are correctly installed. This can add to the overall cost of the project.

Potential leaks: Because windows are installed on your roof, there is always the potential for leaks. This is something that you will need to take into consideration before making a decision.

Do You Need Planning Permission for a Velux Window?

A Velux roof window is a great way to let natural light into your home, but do you need planning permission to install one?

Generally, you don't need planning permission, as they are considered a type of roof light. However, there are some exceptions. For example, you may need planning permission if you live in a conservation area or a listed building.

If you're unsure whether you need planning permission, it's best to check with your local council. They will be able to tell you what rules apply to your area and whether or not you need permission to install a roof window.

What Are the Rules for Installing A Velux Roof Window in Ireland?

Installing a roof window is a great way to improve the light and ventilation in your home. But before you start installing, it’s essential to make sure you follow the rules and regulations set out by the Building Regulations in Ireland.

To install a VELUX roof window, you must have building consent from your local authority. This is because the window will need to be installed following the regulations governing energy efficiency and fire safety. The window must also be fitted with an appropriate escape opening, which will allow people to escape in the event of a fire.

If you are planning to install a VELUX roof window, there are a few things you need to take into account. Firstly, the roof must be strong enough to support the weight of the window. The roof also needs to be watertight, so it’s crucial to ensure it is in good condition before installing the window. If you’re unsure whether your roof is suitable for a VELUX window, it’s best to get advice from a qualified installer.

Can You Put a Velux Window on a Flat Roof?

It's a question that homeowners often ask: Can you put a Velux window on a flat roof? The answer is yes, you can, but there are some things to consider before you do.

First, you need to ensure that your roof is strong enough to support the weight of the window. If it's not, the window could cause damage and leak water into your home.

You also need to ensure that the window is properly sealed and waterproofed. If it isn't, water could get in and cause damage to your roof and home.

Finally, you need to make sure that the window is supported correctly. If it's not, it could fall off the roof and cause serious injuries or even death.

So, can you put a Velux window on a flat roof? Yes, but only if you take into account the above considerations.

Can We Install a Velux Roof Window on a Slate Roof?

Velux roof window can be installed on a slate roof, but it is essential to take certain precautions. First, the roof must be structurally sound and able to support the weight of the window. The slate tiles must also be in good condition and securely attached to the roof rafters. If there are any broken or missing tiles, they should be replaced before installing the window.

It is also essential to ensure that the window will be properly sealed against the roofing material. A suitable, quality sealant should be used to ensure that moisture and pests cannot enter the home through the window.

Can I Fit a Velux Window Myself?

Installation can be a daunting task, but with the right tools and some patience, it can be done by an amateur DIYer.

The first step is to measure the opening of the window you want to replace. You'll need to know the window's height, width, and thickness. Be sure to measure in inches or metrics, depending on your system.

Once you have your measurements, you can purchase a window that will fit your opening. There are a few different types of Velux roof windows available, so be sure to get the right one.

The next step is to prepare for the opening. You'll need to cut out the opening and install the trim around it if the opening is new. You'll need to remove the old frame and sashes if you're replacing an old window.

Once the opening is prepared, installation is easy. Lift the window into place. Follow the instructions for your window, and use a level when installing it. If you're uncomfortable doing it yourself, hiring a professional is best.

Final Thoughts

Thanks for reading our guide; we hope you found it helpful! Adding a Velux window to your roof can be a great way to improve your home's light and air circulation, but it’s essential to ensure you comply with local planning regulations before starting any work. However, in most cases, you won’t need planning permission as long as it doesn’t protrude beyond the plane of your existing roofline, but it’s always best to check with your local council first.

Contact us today!

HP Roofing is a team of residential & commercial roofing contractors in Dublin for all your needs. We offer a wide range of roofing services, from roof repairs to roof replacements.
Call HP Roofing 01 453 3366

Frequently Asked Questions

What is the difference between a Velux window and a standard skylight?

A Velux window is a specific brand of skylight or roof window known for its high-quality materials and construction. While both are designed to allow natural light into a space, Velux windows often come with advanced features like ventilation options, blinds, and remote control operation.

How long do Velux windows last?

Velux windows are designed to be durable and long-lasting. With proper maintenance and care, they can last for several decades. The exact lifespan may vary depending on factors like weather conditions, but Velux typically offers a 10-year guarantee on their windows.

Are Velux windows energy-efficient?

Yes, Velux windows are designed to be energy-efficient. They are often double or triple-glazed, providing excellent insulation. This helps reduce heat loss during the winter and prevent excessive heat during the summer, thereby aiding in energy conservation.

How do I maintain and clean my Velux window?

Velux windows are relatively easy to maintain. For cleaning, you can rotate the window and clean the glass with a soft cloth or sponge and a mild detergent. It's essential to regularly check the window for any signs of damage or wear and get any necessary repairs done promptly to ensure the window remains watertight and efficient.

Can Velux windows be replaced?

Yes, Velux windows can be replaced if they get damaged or if homeowners want to upgrade to a newer model. It's recommended to use professional installers for replacement to ensure the window fits perfectly and remains watertight.

Are Velux windows secure against potential break-ins?

Velux windows are designed with security in mind. They come with a robust locking mechanism to prevent unauthorised access. However, like all windows, it's essential to ensure they are locked and secured when not in use.

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*FYI, parts of this blog post were drafted by artificial technlogy. But rest assured, it's been thoroughly researched, edited, reviewed and me & my team.
Founder @ HPRoofing

The founder of HP Roofing, with years of industry experience, providing top-notch roofing services for residential and commercial properties in Dublin, delivering high-quality roofing solutions that combine both aesthetic appeal and durable functionality.

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