Get a quote


Innovative Design: The Beauty of Glass Extension Roofs

Imagine the transformation of your home as it basks in the glow of natural light, with every room coming alive under the beauty of a glass extension roof. This architectural marvel promises to revolutionize not just the aesthetics of your space but also its feel and functionality.

28 December 2023
Default Author image
Eugene Kim

However, embarking on such an endeavor can be fraught with concerns – from energy efficiency to maintenance worries. This is where Extension Architecture, a service provider with over 11 years of expertise, steps in to dispel fears and turn your dream into a stunning reality.

The Allure of Glass Extension Roofs

Glass extension roofs have surged in popularity, becoming the hallmark of modern, luxurious home design. They are not just windows to the world above but gateways to a new way of experiencing your living space. The allure lies in their ability to flood interiors with daylight, create a sense of openness, and provide panoramic views of the sky. Yet, homeowners often express concerns about the durability and practicality of glass roofs. Extension Architecture addresses these issues by employing advanced, resilient materials and state-of-the-art construction methods, ensuring that your glass extension is both a visual and functional masterpiece.

Merging Aesthetics with Practicality

Extension Architecture’s approach to glass roof extensions is a blend of art and science. We don’t just build structures; we craft experiences. Each design is meticulously planned to marry elegance with efficiency. Be it a contemporary kitchen extension with a sleek, minimalist glass roof or a more traditional orangery adorned with bespoke glazing, our designs ensure that your extension complements both the style of your home and your personal tastes. We focus on creating spaces that are not just visually stunning but also energy-efficient, comfortable, and harmonious with your lifestyle.

When considering a glass roof extension, it is important to note the potential practical issues, such as:

  • Rainwater & Water Marks: Self-cleaning glass is available, but it is not always 100% effective, hence you should always consider the increased maintenance work. Regular cleaning is necessary to maintain the aesthetic appeal of the glass roof, and reaching high or sloped areas may be challenging.
  • Animal Waste: I don’t need to go into too much detail here, but we highly advise not to implement a glass roof under any mature trees!!
  • Heat Retention: Glass roofs may trap heat, leading to increased indoor temperatures during sunny days. This can result in the need for additional cooling measures, such as air conditioning, to maintain a comfortable environment.
  • Heat Loss: Conversely, glass roofs may contribute to heat loss during colder seasons, requiring more energy for heating and potentially leading to higher utility bills.
  • Glare: Intense sunlight can cause glare, making it uncomfortable to be in the space without appropriate shading solutions. This can affect visibility and the overall usability of the area, especially when positioned over a tv area, dining room or snug where people will be seated for long periods.
  • Lack of Privacy: Glass roofs may compromise privacy, especially in bedrooms or bathrooms. While frosted or tinted glass can be used to address this issue, it may reduce the amount of natural light entering the space.
  • Initial Expense: Installing a glass roof can be more expensive than traditional roofing materials. The cost of high-quality glass, along with specialized installation, can significantly impact the overall project budget.
  • Fading: Exposure to prolonged sunlight may cause furniture, flooring, and other interior elements to fade over time due to UV radiation. UV-protective coatings can mitigate this issue but may require additional maintenance.

Addressing the Energy Efficiency Challenge

One of the main hurdles homeowners face when considering a glass extension is the question of energy efficiency. The fear of heat loss in winter and excessive heat in summer is a valid concern. Extension Architecture transforms this challenge into a strength. Our use of high-performance, thermally efficient glass, combined with innovative insulation techniques, ensures that your extension maintains a comfortable temperature year-round. Our solutions are designed to reduce your energy costs while enhancing the environmental sustainability of your home.

The Art of Maximizing Natural Light

The strategic use of glass in roofing is not just about aesthetics; it’s about enhancing the quality of light in your home. Natural light has been proven to have numerous benefits, from improving mood to boosting productivity. Extension Architecture harnesses this power by designing glass extensions that optimize light entry while reducing glare and heat. The result is a space that feels airy, fresh, and invigorating, changing the way you live and interact with your home.
Single Storey Extension in Croydon* Vaulted Ceiling with Rooflights by Extension Architecture

Customization: Tailoring to Your Unique Vision

Each homeowner has a unique vision for their space, and at Extension Architecture, we pride ourselves on our ability to bring these visions to life. Our design process is highly personalized, involving close collaboration with our clients. We take the time to understand your needs, preferences, and the specific nuances of your property. This bespoke approach ensures that each glass extension roof we create is as unique as the home it adorns and the people who live in it.


An important consideration when detailing your unique glazed roof solutions is the technical details involved, and the abilities of your chosen contractor. Our specialists are able to set-out detailed drawings demonstration the desired outcome, and once appointed, a glazing specialist would be able to detail your bespoke project. Most, if not all, would also be responsible for the installation of such elements!

* Bespoke Glass Link Detail by Extension Architecture

Navigating Regulatory Requirements

Embarking on a construction project often involves navigating a maze of planning permissions and building regulations. Extension Architecture’s vast experience in this realm turns what could be a complex and stressful process into a smooth, well-managed journey. Our team provides expert guidance and handles all regulatory aspects, ensuring that your project complies with all legal requirements while achieving your aesthetic and functional goals.

In June 2022, the government issued revised legislation limiting the amount of glass to 25% of the foootprint of your extension – this includes windows, doors, roof lights and of course a glass roof if you intend so. There are routes to increase this allowance, for example, improving insulation elsewhere in the home, ensuring that the minimum U-Value for the property as a whole is reached. This can be done by beefing up insulation in existing and/or proposed walls, floors & roofs. or by incorporating triple glazing. It is important to note that either of these options, however, come with additional expenses.
* Insulation on Site by Extension Architecture

Combining Durability with Low Maintenance

Another concern that often arises with glass extensions is the perceived high maintenance and potential lack of durability. Extension Architecture’s use of cutting-edge materials and construction techniques puts these worries to rest. Our glass roofs are built to withstand the test of time, resisting the elements while requiring minimal upkeep. This means you can enjoy the beauty and benefits of your glass extension without the burden of constant maintenance.

The Extension Architecture Experience

Choosing Extension Architecture means entrusting your project to a team that brings over a decade of specialized experience. Our commitment to excellence is evident in every aspect of our work, from initial design consultations to the final touches of construction. We understand that a glass extension is more than just an addition to your home – it’s a statement, a transformation, and an investment in your quality of life.

Conclusion: Transforming Homes with Light and Innovation

In conclusion, a glass extension roof is not just an architectural feature; it’s a lifestyle enhancement. It promises to redefine your living space, bringing in the beauty of the outside world while offering comfort and efficiency. With Extension Architecture, you gain a partner who understands the intricacies of creating such spaces, ensuring that your vision is realized with skill, care, and innovation. 

Default Author image


Eugene Kim

Eugene Kim, Founder and Managing Director of Extension Architecture, has led the firm for over 14 years, consistently delivering quality solutions. His dedication has been key to the company's growth and success.

Read next

The latest news, updates and expert views for ambitious, high-achieving and purpose-driven homeowners and property entrepreneurs.

Steph Fanizza, Architectural Design & Team Manager

Tell us about your plan and we'll send you a free quote! It takes less than 60 seconds!

Step 1 of 8

Book a free video meeting