Install a skylight in the facade, it’s betting on a Healthier, more pleasant and more attractive housing.
Between increased light, energy savings, and architectural design, this innovation perfectly meets the needs of modern housing requirements.
➡️ Read next:
- Roofing and property purchase: points to check before signing
- The different types of roofs: advantages and disadvantages
- Which gutter should I choose for a sheet metal roof?
Imagine transforming a blank wall into a source of bright, natural light. That’s precisely what the… allows you to do. skylight in the facade, an architectural solution that is still little known but increasingly popular in renovation and construction projects.
Much more than just an aesthetic addition, it increases real estate value, reduces energy consumption And improves quality of life — three essential criteria for both owners and investors.
What is a skylight on the facade?
Unlike the traditional skylight placed on the roof, the skylight in the facade is integrated into a exterior vertical wallIt captures direct sunlight, diffuses it through reflective ducts or high-efficiency glazing, and illuminates the dark rooms of the house.
This technique is often used:
- In the stairwells Or corridors without opening,
- In north facadeto compensate for a lack of light,
- In the terraced houses where side openings are limited.
The advantages of a skylight in the facade 🌤️
1. More natural light, less electricity
Proper positioning of the skylight allows for reduce artificial lighting consumption by up to 40%.
Facing south or west, it captures a soft and stable light, ideal for living spaces.
2. An aesthetic and architectural asset
Architects appreciate the contemporary design that these openings bring. A facade wall pierced by a skylight creates a striking visual effect and instantly modernizes the dwelling.
3. Improved property valuation
A bright house sells faster and at a higher price.
In a market where the energy performance and the interior comfort become major arguments; this type of installation can make all the difference during a real estate counter-proposal (See our negotiation guide).
4. Controlled thermal comfort
Thanks to the solar control glazing or to low-emissivity laminated glassThe skylight in the facade lets in light without overheating the room. In winter, it even contributes to… slight passive heat input.
How does a vertical skylight work?
The device generally consists of three elements:
| Element | Main role | Example of materials |
|---|---|---|
| Glass opening | Captures outdoor light | Double glazing, polycarbonate, solar control glass |
| Light pipe | Transport the light | Polished aluminum reflective tube or acrylic prism |
| Interior diffuser | Distributes the light throughout the room | Optical lens or diffusing panel |
💡 Trick : 🔄 Tilt your phone to read the tables more easily.
This ingenious system allows for natural lighting up to 6 to 10 m² of interior surface.
🛠️ Installation: points to check before starting
Check the structure and the waterproofing
Drilling through a load-bearing wall to install a skylight requires a preliminary technical study.
A professional will check the wall resistance and will implement a waterproof frame to prevent any infiltration.
👉 You can also read our article on the work to be done before selling your property — a good opportunity to add this type of improvement before putting it on sale.
Insulation and condensation
To prevent heat loss, the duct must be insulated and ventilated.
A poor installation can generate condensation or thermal bridgesHence the importance of a qualified professional.
Orientation and sunlight
- South / Southwest : maximum brightness, but risk of overheating → solar glazing recommended.
- North : diffuse and constant light → ideal for technical rooms or offices.
🧰 Maintenance and durability
The skylight on the facade requires little maintenance:
- Clean the exterior window once or twice a year.
- Checking the seal around the frame,
- Dusting the internal diffuser.
For owners who wish to maintain their equipment themselves, our guide on How to properly clean the gutters of the house offers advice applicable to all sensitive areas of the facade.
🌇 Skylight or classic window: which to choose?
| Criteria | Skylight | Classic window |
|---|---|---|
| Brightness | High, directional | Medium to high depending on exposure |
| Exterior view | None (except for the wide-glass version) | Yes |
| Thermal insulation | Very good with suitable glazing | Varies depending on model |
| Facility | More technical | Simpler |
| Aesthetic | Minimalist and modern | Traditional |
👉 For a old houseThe skylight in the facade integrates very well into a renovation with exterior insulation (read here).
💰 Price and return on investment
The cost varies depending on the size and technology:
- Standard skylight €800 to €1,500
- Custom or motorized version up to €3,000
- Energy efficiency Estimated electricity savings of between €50 and €120 per year
In the long term, it’s an investment that pays for itself in terms of comfort and property value — especially in a market sensitive to light and energy efficiency.
