Choosing the right company to install your windows, doors, or roof systems is one of the most important decisions you’ll make during a home improvement project. At Fenex Windows, we’re proud to be recognised as a trusted, accredited installer with a reputation for exceptional workmanship, premium products, and customer‑first service.
Whether you’re upgrading your double glazing, replacing your front door, or transforming your home with a modern roof lantern, our team delivers industry‑leading quality backed by professional accreditations and years of expertise.
Accredited Window & Door Installers You Can Rely On
When searching for a trusted window company or FENSA‑approved installer, homeowners want reassurance that their investment is protected. Fenex Windows holds respected industry accreditations that demonstrate our commitment to safety, compliance, and high‑quality installation.
FENSA Registered Installer
As a FENSA‑approved window installer, we ensure every installation meets UK building regulations and energy‑efficiency standards. With Fenex Windows, you receive:
- A FENSA certificate for compliance
- Peace of mind that your installation meets legal requirements
- Assurance of high‑quality workmanship
This accreditation is one of the most recognised in the glazing industry, making it a key factor for homeowners searching for certified double glazing installers.
TrustMark Registered
Fenex Windows is also TrustMark accredited, meaning we meet strict government‑endorsed standards for quality, customer care, and technical competence. This gives homeowners confidence that they’re choosing a company that prioritises professionalism, transparency, and long‑term reliability.
Fully Insured & Guaranteed Work
Every installation is backed by comprehensive insurance and product guarantees, giving you complete confidence in the durability and performance of your new windows, doors, or roof system.
Our Services: High‑Quality Window, Door & Roof Installations
Fenex Windows offers a full range of professional installation services designed to improve your home’s comfort, security, and energy efficiency.
Window Installation & Replacement
We supply and install a wide range of uPVC windows, aluminium windows, and energy‑efficient double glazing. Whether you’re looking for modern slimline frames or traditional sash windows, our products are designed to enhance thermal performance and reduce energy bills.
Popular searches we support include:
- double glazing installers
- uPVC window replacement
- aluminium window installation
- energy‑efficient windows UK
Door Installation: Composite, uPVC & Aluminium
Your doors play a vital role in home security and kerb appeal. Our expert team installs:
- Composite front doors
- uPVC back doors
- Aluminium entrance doors
- Patio and French doors
All doors are fitted with high‑security locking systems and premium weatherproofing for long‑lasting performance.
Bi‑Fold Doors & Sliding Systems
For homeowners wanting to open up their living space, our aluminium bi‑fold doors and sliding patio doors offer seamless indoor‑outdoor living with exceptional thermal efficiency.
These products are highly searched by homeowners looking for:
- bi‑fold door installers
- aluminium bi‑fold doors
- modern patio doors
Roof Lanterns & Skylights
Our roof lanterns are designed to flood your home with natural light while improving energy efficiency. They’re a popular choice for kitchens, extensions, and open‑plan living spaces.
Conservatory Roof Replacements
If your conservatory is too hot in summer or too cold in winter, we offer tiled conservatory roofs, glass roofs, and hybrid systems that transform your space into a room you can enjoy all year round.
A Customer‑Focused Approach from Start to Finish
At Fenex Windows, we believe that exceptional service is just as important as exceptional products. That’s why we offer:
- Free, no‑obligation quotes
- Clear communication throughout your project
- Professional installation from trained experts
- Aftercare support and product guarantees
Our team is committed to delivering a smooth, stress‑free experience from your first enquiry to the final installation.
Why Fenex Windows Is the Trusted Choice for Homeowners
With our industry accreditations, expert installers, and premium product range, Fenex Windows stands out as a leading provider of windows, doors, and roof systems across the UK.
Homeowners choose us because we offer:
- Accredited, compliant installations
- High‑performance, energy‑efficient products
- Skilled and experienced installers
- Transparent pricing and honest advice
- Long‑lasting guarantees and aftercare
If you’re searching for trusted window installers, FENSA‑approved companies, or high‑quality double glazing, Fenex Windows is here to help.
Contact Fenex Windows Team Today!
Email Address
info@fenex-windows.co.uk
Call Us
07587669066, 07306418170