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.
Why choose our casement windows
Choosing new windows is a decision you’ll live with for years, and with so many installers across Essex promising similar things, it’s natural to want reassurance before you commit.
At Thermaseal Window Systems, every casement window is manufactured in-house at our Wickford factory using high-performance VEKA uPVC profiles, so the same company that builds your windows is the one that fits them, guarantees them, and stands behind them for the next 10 years.
Whether you’re upgrading a family home, refreshing a property, or improving energy performance across a full renovation, you can compare us with confidence.
Traditional and Modern Windows
Casement windows suit virtually any type of dwelling, and ours are available in both chamfered and ovolo styles, so you can choose a clean, contemporary look or a softer, more decorative finish that replicates classic timber frames. Each frame is engineered using VEKA’s multi-chambered systems for outstanding thermal efficiency, and combined with high-performance double or triple glazing, helps reduce heat loss, minimise external noise and keep your home comfortable all year round. With a wide choice of colours, foils and hardware, your new windows can be tailored to suit your home’s character, not just our standard range.
Your 10-Year Guarantee: Security and Peace of Mind, Built In
When you’re comparing quotes, the guarantee is often what separates a safe choice from a risky one. Every Thermaseal casement window comes with reinforced hardware and BSI Kitemark-certified components as standard, with PAS 24 security options available for extra protection against forced entry. That’s backed by our 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. It’s reassurance you can check, not just a claim we make.
Examples of Our Casement Windows
Fitting and Supplying Casement Windows
Backed by more than 39 years’ experience, we supply casement window installations to suit any home
Supplying High-Performance Windows and Doors since 1987
To view larger image, select the appropriate Casement window image
Local to You
Manufactured in Wickford, Installed Across Essex and the South East
When you’re comparing quotes, the guarantee is often what separates a safe choice from a risky one. Every Thermaseal casement window comes with reinforced hardware and BSI Kitemark-certified components as standard, with PAS 24 security options available for extra protection against forced entry. That’s backed by our 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. It’s reassurance you can check, not just a claim we make.