Signature

Whether you're building a contemporary extension or replacing an outdated rooflight, Signature is the go-to choice for fully custom flat roof glazing — made to fit, made to last.

Why Choose Signature?

The Signature flat roof range is designed with flexibility in mind. While many brands only offer fixed sizes, Signature specialises in bespoke rooflights, built to your exact dimensions. You choose the size, glass type and frame finish — we deliver a premium-quality roof window tailored to your project.

All Signature flat roof windows are manufactured in the UK and built using robust aluminium frames and high-performance glazing. Features include:

• Made to Measure Sizes – Order the exact dimensions you need for a perfect fit with minimal site adjustment.
• Double or Triple Glazing – Choose from thermally efficient glazing options to meet your insulation and energy goals.
• Sleek Frameless Internal Design – Clean lines and a contemporary finish that complements modern interiors.
• Fixed or Opening Options – Available in both fixed rooflights and vented models for natural airflow.
• Toughened Safety Glass – Manufactured to meet UK Building Regulations and provide long-lasting durability.

Bespoke Flat Roof Windows for Every Project

Signature rooflights are ideal for flat roof kitchens, living areas, loft conversions and more. Whether you’re after a large walk-on rooflight, a frameless skylight, or a unique shape for a one-off architectural design, Signature can deliver — with short lead times and full support from Sterlingbuild’s expert team.

Order Made to Measure Signature Rooflights at Sterlingbuild

Get the size you need, without compromise. Sterlingbuild makes it easy to order bespoke flat roof windows online with competitive prices, reliable UK delivery and friendly support throughout the process. Simply send us your measurements and requirements using our made to measure form here, and we’ll take care of the rest.

Contact our team today to discuss your made to measure Signature rooflight — and bring more natural light into your home, your way.