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
Flush Energy-Efficient Window Designs in Essex and South East England
If you’re comparing window installers across Wickford, Billericay, Chelmsford or the wider Essex area, our Flush windows are designed to give you confidence as well as kerb appeal. Every Flush window is manufactured in-house at our Wickford factory using advanced VEKA uPVC profiles, so the same company that builds your windows also measures, fits and guarantees them. Whether you’re upgrading a period property, enhancing a home in a conservation area, or simply want a heritage-inspired look without the upkeep of timber, our Flush range delivers authentic style you can compare with confidence.
Authentic and Stylish
Flush windows are the natural choice for homeowners who want the timeless look of traditional timber with none of the maintenance. Unlike chamfered or sculptured styles, the sash sits flush within the frame, replicating the understated elegance of early-19th-century timber windows while delivering modern thermal and acoustic performance. It’s a detail that matters in conservation areas and period streets across Essex, where the wrong window style can look out of place the moment it’s fitted.
Insulation you can feel
Crafted from VEKA’s multi-chambered, energy-efficient uPVC profiles, our Flush windows can achieve impressively low U-values, and the five-chamber frame design provides a robust thermal barrier even in exposed coastal and rural locations across Essex. Combined with high-performance double or triple glazing, they help keep your home warmer, quieter and free from draughts — benefits you’ll notice from the first winter, not just on a spec sheet.
Combining Traditional and Contemporary Styles
If you’re looking for energy-efficient, double-glazed windows, our Flush range has got you covered
To view larger image, select the appropriate Flush window image
Colours and Finishes
With a choice of 18 foiled finishes, from smooth white uPVC to authentic woodgrain effects such as Irish Oak or Rosewood, you can tailor your Flush windows to suit your home’s character rather than settling for a standard range. You can even choose different colours inside and out, giving you a warm, traditional exterior with a clean, bright finish indoors — every window precision-manufactured to your exact measurements.
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.
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.