Brand: VELUX Roof Windows

Bring more natural daylight and fresh air into your home with our extensive range of VELUX roof windows, one of the world's leading manufacturers of roof windows and skylights. Since 1941, VELUX has transformed millions of homes by creating innovative roof window solutions that make lofts, extensions and living spaces brighter, healthier and more comfortable. Today, VELUX operates in more than 35 countries and remains the market leader in roof windows, trusted by homeowners, builders, architects and roofing professionals across the UK.

At JJ Building Materials, we proudly supply a comprehensive range of VELUX roof windows, VELUX skylights, VELUX rooflights, VELUX sun tunnels, VELUX blinds, VELUX flashing kits, VELUX electric roof windows, VELUX conservation roof windows and genuine VELUX accessories. Whether you're converting a loft, replacing an existing roof window or building a new extension, our carefully selected VELUX range delivers exceptional quality, energy efficiency and long-lasting performance.

VELUX products are designed to maximise natural daylight, improve ventilation and create healthier indoor environments. Their innovative designs combine outstanding thermal performance with sleek styling, helping homeowners enjoy brighter, more energy-efficient living spaces throughout the year.

Shop the VELUX Collection

Browse our complete VELUX range, including:

• VELUX Centre Pivot Roof Windows
• VELUX Top Hung Roof Windows
• VELUX Conservation Roof Windows
• VELUX Cabrio Balcony Windows
• VELUX Flat Roof Windows
• VELUX Rooflights
• VELUX Sun Tunnels
• VELUX Flashing Kits
• VELUX Blinds
• VELUX Blackout Blinds
• VELUX Electric Roof Windows
• VELUX Solar Roof Windows
• VELUX Accessories
• VELUX Replacement Parts

Whether you're renovating an attic, extending your home or replacing an ageing roof window, VELUX offers solutions for virtually every roofing project.

Why Choose VELUX?

For more than 80 years, VELUX has been pioneering roof window technology. Founded by Danish engineer Villum Kann Rasmussen, the company introduced the world's first modern roof window and continues to lead the industry through innovation, sustainability and exceptional product quality. The name VELUX itself combines "VE" for ventilation and "LUX", the Latin word for light, reflecting the company's original vision of bringing daylight and fresh air into homes.

Benefits include:

• World's leading roof window brand
• Over 80 years of innovation
• Premium energy-efficient glazing
• Outstanding natural daylight
• Excellent ventilation
• Suitable for loft conversions
• Electric and solar-powered options
• Wide range of blinds and accessories
• Trusted by roofing professionals
• Fast UK delivery

Why Homeowners Choose VELUX

More Natural Daylight

VELUX roof windows introduce significantly more natural daylight than traditional vertical windows, helping create brighter, more welcoming living spaces.

Fresh Air & Better Ventilation

Designed to improve indoor air quality, VELUX roof windows provide effective natural ventilation, helping reduce condensation and create healthier living environments.

Energy Efficient Design

Modern VELUX glazing helps minimise heat loss during winter while reducing unwanted heat gain in warmer months, improving year-round comfort.

Designed to Last

Manufactured using premium materials and rigorous quality standards, VELUX roof windows are built to deliver reliable performance for decades.

Popular VELUX Product Categories

VELUX Centre Pivot Roof Windows

The UK's most popular roof window style, centre pivot windows are ideal for loft conversions and everyday ventilation, offering easy operation and simple cleaning.

VELUX Top Hung Roof Windows

Top hung windows maximise outward views and create the feeling of additional space, making them perfect for loft conversions with low roof pitches.

VELUX Flat Roof Windows

Designed specifically for flat roof extensions, lanterns and contemporary homes, these windows maximise daylight while maintaining excellent thermal performance.

VELUX Sun Tunnels

Sun tunnels bring natural daylight into internal rooms such as hallways, bathrooms and landings where conventional roof windows may not be practical.

VELUX Blinds & Accessories

Complete your installation with genuine VELUX blackout blinds, roller blinds, venetian blinds, flashing kits and maintenance accessories designed specifically for VELUX windows.

Popular VELUX Applications

VELUX products are ideal for:

• Loft Conversions
• Attic Bedrooms
• Home Offices
• Kitchen Extensions
• Bathrooms
• Hallways
• Stairwells
• Flat Roof Extensions
• Garden Rooms
• Commercial Buildings

Their versatility makes VELUX one of the most specified roof window brands in the world.

Centre Pivot vs Top Hung Roof Windows

Centre Pivot Windows

• Easy everyday operation
• Ideal for lower roof installations
• Rotates for simple cleaning
• Excellent ventilation
• Perfect for most loft conversions

Top Hung Windows

• Panoramic outward views
• Creates a balcony-like feel
• Maximum opening angle
• Ideal where windows are within easy reach
• Excellent for converted loft rooms

Both styles provide outstanding daylight and ventilation, with the right choice depending on your room layout and roof design.

Choosing the Right VELUX Roof Window

When selecting a VELUX roof window, consider:

• Roof pitch
• Room type
• Window size
• Centre pivot or top hung
• Manual, electric or solar operation
• Glazing performance
• Blind options
• Flashing kit compatibility

Selecting the correct roof window helps maximise daylight, improve ventilation and enhance energy efficiency.

Why Upgrade to VELUX?

Replacing an older roof window or adding a new VELUX installation offers numerous benefits.

Benefits include:

• Brighter living spaces
• Improved ventilation
• Better energy efficiency
• Enhanced property value
• Modern glazing technology
• Increased natural light
• Low maintenance
• Long-lasting durability

Why Choose JJ Building Materials?

At JJ Building Materials, we supply genuine VELUX roof windows, flashing kits, blinds and accessories at competitive prices. Whether you're replacing a single roof window, completing a loft conversion or specifying products for a new-build project, our experienced team can help you choose the perfect VELUX solution.

Backed by over 35 years of industry experience through the JJ Roofing Supplies Group, we combine expert advice, competitive pricing and reliable UK-wide delivery, making JJ Building Materials your trusted supplier for VELUX roof windows and accessories.

Frequently Asked Questions

Who are VELUX?

VELUX is the world's leading manufacturer of roof windows, skylights and rooflight solutions. Founded in Denmark in 1941, the company now operates in more than 35 countries worldwide.

Are VELUX roof windows good quality?

Yes. VELUX is recognised worldwide for producing premium-quality roof windows that offer outstanding durability, energy efficiency and long-term performance.

What products does VELUX manufacture?

VELUX manufactures roof windows, skylights, flat roof windows, sun tunnels, blinds, flashing kits, shutters and roof window accessories.

What's the difference between a roof window and a skylight?

A roof window is generally designed to be within reach and can be opened for ventilation, while the term skylight is often used more broadly for roof glazing products. VELUX offers both opening roof windows and fixed rooflight solutions.

Are VELUX windows suitable for loft conversions?

Yes. VELUX roof windows are one of the most popular choices for loft conversions, helping maximise daylight, ventilation and usable living space.

What is a VELUX centre pivot window?

A centre pivot window rotates around its central hinge, making it easy to open, ventilate and clean from inside the property.

What is a VELUX top hung window?

Top hung windows open outwards to provide wider views and a greater sense of space, making them ideal for converted loft rooms.

Can I replace an old VELUX window with a new one?

Yes. Many existing VELUX roof windows can be replaced with modern equivalents that offer improved energy efficiency and enhanced glazing performance.

Do VELUX windows improve energy efficiency?

Yes. Modern VELUX glazing helps reduce heat loss while allowing more natural daylight into your home, contributing to improved overall energy performance.

Can I fit blinds to VELUX windows?

Yes. VELUX offers blackout blinds, roller blinds, venetian blinds, pleated blinds and external heat protection products designed specifically for its roof windows.

Do VELUX make electric roof windows?

Yes. VELUX manufactures electric and solar-powered roof windows that can be operated remotely for added convenience.

How long do VELUX roof windows last?

With correct installation and routine maintenance, VELUX roof windows are designed to provide decades of reliable performance.

Why is VELUX the world's leading roof window brand?

VELUX combines more than 80 years of innovation, premium engineering, energy-efficient glazing and outstanding product quality, making it the preferred choice for homeowners and roofing professionals worldwide.

Are VELUX products suitable for new builds and renovations?

Yes. VELUX products are suitable for new-build homes, loft conversions, roof replacements, extensions and refurbishment projects.

Why buy VELUX roof windows from JJ Building Materials?

We supply genuine VELUX roof windows, flashing kits, blinds and accessories at competitive prices, backed by expert advice and fast UK delivery. Whether you're replacing an existing roof window or transforming your home with a loft conversion, JJ Building Materials makes it easy to source trusted VELUX products with confidence.