Roof Window or Lantern?
Natural light is a highly desired feature in modern homes. Its usually a key feature in our home extension builds. Whether you’re planning an extension, renovating a kitchen, or transforming a loft, how you bring daylight into the space can make a significant difference. Two popular options are roof windows and roof lanterns. Both are great at opening up a room and creating an airy, welcoming feel, but they function very differently...
What is a Roof Window?
Roof windows are installed flush with the slope of a pitched roof. You’ll often find them in loft conversions or upstairs rooms with sloping ceilings, but they can also fit beautifully in single-storey extensions with non-flat roofs. Roof windows usually open, which means they not only let in light but also provide ventilation. This feature can be particularly valuable in kitchens, bathrooms, and bedrooms.
Modern roof windows come in a wide range of sizes and styles. Some are manual, while others are electric or solar-powered, making them easy to operate with the touch of a button. They are designed to be subtle and sit neatly within the roofline without significantly changing the building's overall character.
What is a Roof Lantern?
A roof lantern, sometimes referred to as a skylight lantern, has a very different design. Instead of being integrated into a pitched roof, it sits on top of a flat or low-pitched roof and extends upward in a pyramid or rectangular shape. This makes it a striking architectural feature, perfect for adding a wow factor to a kitchen extension, dining room, or orangery.
Due to their raised, multi-angled glass panels, roof lanterns capture light from all directions throughout the day. They typically do not open for ventilation (though some can have opening vents), but they excel at flooding large areas with natural light, making even the biggest open-plan spaces feel bright and inviting.
The Look and Feel
If you’re considering aesthetics, the style of your home often influences your choice. Roof windows tend to blend in with traditional pitched roofs, offering a clean and understated look. They can be nearly invisible from ground level, which makes them a good option if you want to preserve the character of a period property or need something discreet.
Roof lanterns, on the other hand, are a statement piece. They become a central feature of a room, often acting as the focal point over a dining table or seating area. Their design naturally draws the eye upward, creating a sense of height and drama that you simply can’t achieve with a flush roof window.
Light and Space
One of the main reasons people consider either option is the desire for more natural light. Roof windows effectively bring light into spaces under pitched roofs. Because they are angled, they tend to capture light well at different times of the day.
Roof lanterns, however, excel at spreading light across a wide area. Their elevated structure allows sunlight to flow in from multiple angles, creating consistent brightness even in large, open-plan kitchens or living areas. If your goal is to make a room feel larger, a lantern may provide that extra impact.
Practical Considerations
Functionality is important too. Roof windows are usually easier to install in a pitched roof, especially if you’re adding them as part of a loft conversion or upgrading an existing roof. They also offer ventilation, which is especially crucial in warmer weather or in rooms that often have condensation issues.
Roof lanterns are typically used in flat-roofed extensions. While they generally do not open, their design is excellent for insulation. Modern glazing minimises heat loss in winter and controls heat in summer. They can be more costly compared to standard roof windows, but many people consider this worthwhile for the light and design they provide. We have a supplier of lanterns with minimal frames, which really stands out.
Cost and Value
When it comes to cost, roof windows tend to be the more affordable option. They are easy to install, come in many off-the-shelf sizes, and often can be set up without major structural changes. Roof lanterns, in contrast, are more custom products, often made to fit specific spaces. The price reflects the craftsmanship and the impact they create, but they can also increase the perceived value of your home thanks to their impressive design.
As always we love to offer our help and advice to build your perfect extension.








