Address
Factory / Showroom
4 Kingsview Court,
Hodgson Way, Wickford,
Essex, SS11 8YF
Working Hours
Monday – Friday,
9:00 a.m. – 5:00 p.m.
Saturday,
10:00 a.m. – 4:00 p.m.
Supplying High-Performance Windows and Doors since 1987
French Casement Windows in Essex and South East England
Unlike standard casement windows, French casements feature a floating mullion, meaning both sashes open fully without a central bar. This creates a wide, unobstructed opening that’s ideal for maximising access in limited spaces, improving airflow, supporting fire escape compliance and flooding any room with natural light and panoramic views, with their distinctive double-opening design and slim, elegant sight lines adding a bright, open feel throughout your home.
Our French Casement Windows
Our French Casement Windows
Our extensive range of uPVC windows includes first-class French casement windows.
To view larger image, select the appropriate French Casement window image
If you’re comparing window installers across Wickford, Billericay, Chelmsford or the wider Essex area, our French casement windows are designed to give you maximum light and ventilation without compromising on security. Every window is manufactured in-house at our Wickford factory using high-performance uPVC profiles, so the same company that builds your windows also measures, fits and guarantees them. Whether you’re upgrading a family home, refreshing a property, or adding a contemporary touch to a renovation project, our French casement windows offer a stylish, practical solution you can compare with confidence.
Colours and Finishes
A wide choice of colours, foiled finishes and hardware options allows you to tailor your French casement windows to suit your home’s character — from classic white to realistic woodgrain effects — with every window precision-engineered to your exact measurements rather than fitted to the nearest standard size.
Your 10-Year Guarantee:
Security as Standard, Not an Upgrade
Security shouldn’t be something you have to ask for, so every Flush window comes as standard with a shoot bolt and multi-mushroom cams, hinge protection with security claws, and a choice of lockable handles, with BSI Kitemark-certified components throughout and PAS 24 security upgrades available for extra protection. It’s all backed by Thermaseal’s trusted 10-year guarantee, covering parts and workmanship so you’re never left covering the cost of a problem that isn’t yours to fix.
Local to You: Manufactured in Wickford, Installed Across Essex and the South East
Because we manufacture every window ourselves, there’s no third-party factory to chase if something needs attention; our experienced installation teams fit what we make, to the exact tolerances period properties demand. We install Flush windows throughout Wickford, Billericay, Chelmsford and the wider Essex area, and supply trade customers across the South East, so you’re dealing with a local team who’ll still be around long after the installation is complete. Contact Thermaseal today to request a quote or discuss your design options.