Get in touch with our friendly team to discuss windows, doors, conservatories or other home improvement products. We’ll help you choose the right next step, whether that’s a showroom visit, home appointment or online quote.
Tell us what you’re looking for and a member of our team will be in touch to help you take the next step.
Available during business hours
Firmfix Windows, Doors & Conservatories
Tewkesbury Business Park
Northway Lane
Tewkesbury
Gloucestershire
GL20 8PF
Free parking available on site.
Firmfix has been supplying and installing windows, doors and conservatories across the Three Counties since 1988. Our experienced team is committed to providing high-quality products, expert installation and a straightforward, no-pressure service from start to finish.
Call us on 01684 296603 to speak directly with our team.
Our team are here to help you make the right decision for your home. We don’t use high-pressure sales tactics, just clear, honest recommendations based on your needs.
We are committed to high standards of workmanship, customer care and long-term reliability. Our accreditations and guarantees are in place to give you complete confidence when choosing Firmfix.
Our survey and installation processes meet recognised industry standards, demonstrating our commitment to quality, consistency and continual improvement.
Our installations comply with current building regulations, and you will receive certification on completion, an important requirement if you sell your property.
We follow structured quality management processes to ensure consistent service, clear communication and high standards across every project.
As a member of QANW, your installation is protected by a 10-year insurance-backed guarantee, giving you added peace of mind.
All installations are backed by a 10-year guarantee, with support from our dedicated service team to quickly resolve any issues should they arise.
Backed by experienced installers and ongoing aftercare support.