Roof Windows & Velux Installation in Lancashire

We are trusted installers of genuine Velux roof windows, ideal for both pitched roof window applications and selected flat roof window solutions, as well as loft conversions. Velux products are designed for superior insulation, durability, and ease of use, making them suitable for lofts, extensions, and attic spaces where natural light and ventilation are essential.

Our fully trained installers ensure precise fitting, correct flashing installation, and complete weatherproofing. From survey through to completion, we manage the entire process to guarantee your new roof windows perform efficiently and reliably for years to come.

Modern roof skylights create bright, open living spaces by allowing natural light to flood into kitchens, bathrooms, and open-plan areas. We offer a range of fixed and opening skylights with advanced skylight glass that enhances thermal efficiency while reducing glare and heat loss.

Energy-efficient glazing options help keep your home warm in winter and comfortable in summer, making skylights a smart long-term investment. Professionally installed roof skylights can also reduce reliance on artificial lighting, helping to lower energy bills while enhancing the overall feel and value of your home.

For modern properties and home extensions, flat roof windows are a stylish and practical choice. Designed to sit seamlessly within flat roofing systems, these rooflights deliver maximum daylight with a sleek, minimalist appearance that complements both contemporary and traditional homes.

Our flat roof window installations are fully sealed and insulated to prevent leaks and condensation, ensuring excellent performance and durability. They are ideal for kitchens, orangeries, garden rooms, and single-storey extensions, creating brighter, more inviting spaces that feel larger and more open all year round.

Transform your unused loft space with professionally installed attic windows and pitched roof windows designed to maximise natural light and ventilation. They help create bright, comfortable bedrooms, home offices, or additional living areas suitable for year-round use.

We carefully assess roof pitch, window positioning, and room layout to maximise daylight while ensuring full compliance with building regulation requirements. Professionally installed roof windows can significantly increase usable living space, enhance ventilation, and add measurable value to your property.

If your property features a loft conversion with a dormer structure, we can install windows suitable for dormer windows and dormer roof window designs. These installations provide increased headroom, improved natural light, enhanced ventilation, and greater kerb appeal, helping to create a more practical and visually appealing upper-floor space.

Our experienced team ensures all structural work, insulation and weatherproofing are completed to the highest standard, delivering a secure, energy-efficient, and attractive finish that blends seamlessly with your existing roofline and overall property style.

With over 35 years’ experience and more than one million frames manufactured, Lancashire Double Glazing is one of the North West’s most trusted home improvement specialists. We provide professional installation, high-quality products, and outstanding customer service across Lancashire, including Preston, Blackburn, Blackpool, Bolton, Chorley, and surrounding areas.

For expert roof window installation, Velux roof windows or flat roof skylights, call 0800 146 995, request a free no‑obligation quote online, or visit our Preston showroom today.