If you’ve been researching ways to bring more natural light into your home, you’ve likely come across the terms rooflight and skylight. They’re often used interchangeably, which can make things confusing.

At Lantern Superstore, we’re often asked whether there’s a real difference between the two. In this guide, we’ll break down what each term means, how they’re used, and what you should consider when choosing the right option for your space.

Are Rooflights and Skylights the Same Thing?

Both rooflights and skylights have the same purpose. They are glazed openings installed in a roof to allow natural daylight to enter a space. Functionally, they achieve the same goal: brightening interiors, improving ventilation (in some cases), and enhancing the overall look and feel of a room.

In the UK construction and glazing industry, the term rooflight is more commonly used. Skylights are often seen as a more general or Americanised term. That said, there are subtle differences in how people use them depending on context, style, and installation.

What Is a Rooflight?

A rooflight typically refers to a window installed within the plane of a flat or pitched roof. In modern UK architecture, rooflights are especially popular in extensions, loft conversions, and contemporary renovations, letting in more light into your home.

They are often designed with a sleek, minimalist appearance and sit flush with the roof surface. They also and they often have different styles and various glazing options. This makes them a stylish solution in modern homes where clean lines and subtle detailing are important.

There are a few common types of rooflights:

Flat roof rooflights – These are installed in flat roof extensions and can be fixed or opening.

Walk-on rooflights – Designed for roof terraces where foot traffic is expected.

Lantern rooflights – Raised structures (also called roof lanterns) that create a focal point while flooding the room with light.

Rooflights are typically associated with high-performance glazing, thermal efficiency, and architectural design, making them a go-to choice for upgrading spaces.

What Is a Skylight?

The term skylight is broader and often used internationally. It generally refers to any type of window or opening in a roof that allows in sunlight, including rooflights, roof windows, and even larger glazed sections. Skylights are commonly associated with more traditional designs.

You may also hear skylights used to describe:

Roof windows, (like those from Velux), which are designed to be installed in pitched roofs and can usually be opened for extra ventilation.

Domed skylights often found in commercial or older residential buildings. They are also used for added height in traditional properties.

Tubular skylights (sun tunnels) that channel light into small or enclosed spaces.

Because of this broader usage, “skylight” doesn’t always refer to a specific product type — it’s more of a catch-all term.

Key Differences at a Glance

While there’s plenty of overlap, here are the main distinctions:

Feature	Rooflight	Skylight
Usage (UK)	Industry-standard term	Less commonly used
Design	Sleek, modern, architecturally focused	Broader range, including traditional styles
Installation	Typically flush with roof	Can be flush, raised, domed, or window-style
Scope	More specific product category	General term for any roof glazing
Common in	UK residential extensions	US homes and general global use

Which One Should You Choose?

When it comes to choosing between a rooflight and a skylight, the terminology matters less than the actual product and your project goals.

Here are a few key considerations:

1. Type of Roof

For flat roofs, fixed or opening rooflights and roof lanterns are typically best.

For pitched roofs or sloped roofs, roof windows or skylight-style units may be more suitable.

2. Purpose

Want to maximise natural light in an extension? A flat rooflight or lantern is well suited.

Need ventilation in a loft space? Consider an opening rooflight to allow fresh air in.

3. Aesthetics

For a modern, seamless look, opt for a flush rooflight.

For a more classic or functional approach, adding skylights might suit your space best.

4. Energy Efficiency

High-quality rooflights are designed with advanced glazing and insulation, helping to reduce heat loss and improve energy performance.

What’s the difference between a rooflight and a skylight?

Understanding the main difference between rooflights and skylights can help you make more informed decisions and make the right choice when choosing which works best for you. In the UK, if you’re shopping for premium glazing solutions, searching for “rooflights” will usually bring you more relevant, modern products.

To conclude, a rooflight is typically a modern, architecturally-integrated glazing solution used in the UK, whereas skylight is a broader, more general term used worldwide. Ultimately, the best choice comes down to your project requirements, design preferences, and performance needs — not just the name.

At Lantern Superstore, we specialise in high-quality rooflights and roof lanterns designed specifically for UK homes. Whether you’re planning a kitchen extension, upgrading your living space, replacing artificial lighting with natural daylight or working on a new build, choosing the right glazing solution can transform your home and bring natural light into your space.

If you’re unsure where to start, the Lantern Superstore team is always here to help you find the perfect solution for your home. Get in touch today on sales@lanternsuperstore.co.uk.