What Size Roof Lantern Do I Need?


When it comes to enhancing your living space with natural light and architectural elegance, a roof lantern stands out as a compelling choice.

However, selecting the right roof lantern size is a crucial decision that always requires thoughtful consideration. 

In this comprehensive guide, we’ll delve into the world of roof lanterns, exploring the standard sizes available, key factors to consider when choosing a size and practical insights. 

So, whether you’re looking to brighten your kitchen, establish a captivating focal point in the living room, or introduce a touch of sophistication to your home, selecting the right-sized roof lantern is key. 

Standard roof lantern sizes

Roof lanterns come in a variety of sizes to suit different spaces and architectural styles. 

Understanding the different standard sizes available on the market can be a helpful starting point for anyone considering this elegant addition to their home. 

Factors to consider when choosing roof lantern size 

Here are the main factors to consider when it comes to choosing a size for your roof lantern: 

Room dimensions and layout 

One of the primary considerations when determining the size of your roof lantern is the dimension and layout of the room it will illuminate. A well-proportioned lantern can enhance the aesthetic appeal of your space instantly while providing ample natural light. 

Structural support 

Before selecting a roof lantern size, it’s important to assess the structural support available. 

Larger lanterns may require additional support and consulting with a structural engineer can ensure the installation is safe and sound. 

Also, it’s crucial to understand that if you’re thinking about adding a roof lantern to your home but have a pitched roof, certain limitations exist when it comes to the installation. These main limitations relate to structural constraints, weight distribution and incompatibility with designs. 

Roof lantern style

Different styles of roof lanterns may impact the overall appearance and feel of your space. Traditional or modern designs can influence the size that complements the existing architecture of your home. 

Natural light preference  

Consider your natural light preferences when choosing the size of your roof lantern. 

Some may prefer a larger lantern for a brighter, airier feel, while others may opt for a smaller size to control light levels more effectively. 

Roof lantern cost 

Budget constraints are a significant factor in any home improvement project.  Understanding the correlation between size and cost can help you make an informed decision that aligns with your financial considerations. 

Planning permission 

Although the large majority of roof lantern installations do not require planning permission, in some cases, you may find that you need it. The main factors that can influence the need for planning permission include; the size and dimension of the proposed lantern, the design and materials used, the pitch and proportion and whether the roof lantern has any glazing and ventilation.

Measuring for a roof lantern 

Accurate measurements are crucial for a successful roof lantern installation. Make sure you measure your space effectively to ensure that the chosen size fits seamlessly into your home. 

Illuminate Your Home with GFD Homes Roof Lanterns 

At GFD Homes, we’re pleased to offer an exceptional range of roof lanterns, all available in both standard sizes and custom sizes too. 

Whether you’re into traditional roof lanterns or contemporary roof lanterns, our extensive range caters to everyone. Feel free to browse our various styles and sizes on our website to find the perfect fit for your home. 

If you’ve already managed to find a roof lantern you like and have a few questions, feel free to contact our team on 01642 309576 for assistance. 

Alternatively, if you haven’t decided on a roof lantern yet, why not call us on the number above to book a visit to our showroom? You’ll be able to experience the beauty up close and form your own judgement – we’re confident it will leave you thoroughly impressed! 

FAQs about roof lantern sizes 

Where should you put large roof lanterns? 

Large roof lanterns work well in open-plan living areas, kitchens and dining spaces. They provide a stunning focal point while flooding the room with natural light. 

What is the standard size for roof lanterns?

Standard roof lanterns sizes typically range from small (1000mm x 2000mm) to larger options (2000mm x 4000mm). However, bespoke sizes are also available to accommodate unique architectural requirements. 

Can I change the size of an existing roof lantern?

In most cases, you are unable to change the size of an existing roof lantern. We’d recommend consulting with professionals to assess the feasibility and implications of such modifications. 

Are there maximum size limitations for roof lanterns? 

Understanding if there are any maximum size limitations for roof lanterns is important, as it can impact your design choices. At GFD Homes, our team can provide you with some guidance on size restrictions based on structural considerations. Just contact our team on 01642 309576 and they’ll be happy to help! 

What sizes are most popular for modern roof lanterns? 

The most popular roof lanterns sizes are often those available in a standard size. However, as every home is unique, sometimes choosing a custom size is much more effective as the roof lantern will be better proportioned to the building. This can therefore result in a more effective aesthetic. 

The most popular roof lantern sizes we supply are 2000mm x 1000mm and 2500mm x 1000mm. 

Does roof lantern size affect energy efficiency?

The actual size of the roof lantern does not affect energy efficiency.

If the roof lantern measurements have been taken correctly and the lantern fits perfectly, the energy efficiency should not be affected, only enhanced.

author avatar
Tia Ellahi
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