Can You Install a Velux Window in a Flat Roof or Only Pitched Roofs?

Velux windows are an excellent way to bring natural light into darker spaces, improve ventilation, and add value to your property. Many homeowners associate them with loft conversions and pitched roofs, but did you know they can also be installed on flat roofs? Eastleigh Roofing Repairs in Eastleigh, Hampshire, explores the options and considerations for both pitched and flat roof installations.

Velux Windows on Pitched Roofs

Traditionally, Velux windows are designed for pitched roofs with slopes between 15° and 90°. They are commonly used for:

  • Loft conversions – adding daylight to new living spaces
  • Attics and roof spaces – improving ventilation and usability
  • Bedrooms and home offices – creating brighter, more welcoming environments

Installation on a pitched roof is relatively straightforward and integrates seamlessly with tiles or slates, ensuring a watertight finish.

Velux Windows for Flat Roofs

Flat roofs can also benefit from Velux products. While the design is slightly different, Velux has a dedicated range of flat roof windows and domes that offer:

  • Excellent thermal insulation – keeping your space energy-efficient
  • Maximum daylight – perfect for kitchens, extensions, and hallways
  • Optional ventilation – manual or electric opening systems available
  • Sleek, modern appearance – blends well with contemporary architecture

These flat roof solutions are engineered to prevent water pooling and ensure proper drainage, meaning you can enjoy the benefits of natural light without compromising roof integrity.

Key Considerations Before Installation

Whether you have a flat or pitched roof, there are a few things to think about before installing a Velux window:

  • Roof structure – an inspection ensures your roof can safely accommodate the installation.
  • Positioning – choosing the best spot for light, ventilation, and aesthetics.
  • Weatherproofing – professional installation is crucial to prevent leaks.
  • Planning permissions – most installations fall under permitted development, but it’s wise to double-check for listed buildings or conservation areas.

Eastleigh Roofing Repairs can guide you through these steps, ensuring a flawless installation that complements your property.

Conclusion

Velux windows are not limited to pitched roofs – they can also transform flat roof spaces into brighter, more inviting areas. Whether you are adding natural light to a loft or creating an airy kitchen extension, professional installation is essential for long-lasting performance. Eastleigh Roofing Repairs in Eastleigh, Hampshire, can help you choose the right solution for your roof type and ensure a perfect fit that enhances your home.

Call us on: 023 8235 7294
Click here to find out more about Eastleigh Roofing Repairs
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This is a photo of a hipped roof on a bungalow that has just had roof repairs carried out. Works carried out by Eastleigh Roofing Repairs

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