Business Details
50 Years
experience
Your Trusted Window & Door Experts in Sutton-In-Ashfield
Established in 1976, Qualitere Windows has built a reputation as Nottinghamshire and Derbyshire's longest-standing family-run window and door specialist. Our 49-year legacy reflects unwavering commitment to craftsmanship, with every product embodying our family values of quality and precision. As FENSA-registered installers, we specialise in PVCu windows, composite doors, conservatories, and double glazing repairs, serving thousands of homes across the region. Our technical expertise ensures tailored solutions that enhance property aesthetics while maintaining energy efficiency.With no commissioned sales team, we prioritise transparency, offering free, no-obligation quotes directly from our experienced professionals. Our service department addresses all double glazing repairs, and we stock essential components like Ultion security locks. Customer testimonials consistently highlight our exceptional workmanship, with clients praising our professional approach and lasting installations.
Services
PVCu Windows
Composite Doors
Bi-Fold Doors
Conservatories
Double Glazing Repairs
Details
- Year established: 1976
Highlights and features
- 49 years of specialist experience in window and door installations
- Family-run business with unchanged ownership since 1976
- FENSA-registered for building regulation compliance
- Free, no-obligation quotes with no commissioned sales team
- In-house service department for double glazing repairs
Associations and certifications
- FENSA
What people say
Fantastic family run business
Super service
Great customer service
Highly recommend
Expert technical knowledge
Services
PVCu Windows
Our high-performance PVCu windows combine energy efficiency with security, featuring A-rated glazing options and durable weather-resistant frames. Available in multiple colours and styles, these windows enhance property aesthetics while reducing energy bills. Custom measurements ensure perfect fit for both modern and traditional homes.
Composite Doors
Engineered for superior security and thermal efficiency, our composite doors feature reinforced frames and multi-point locking systems. With various designs including Apeer and Silka ranges, each door offers customisable finishes while maintaining exceptional durability against weather extremes.
Bi-Fold Doors
Space-enhancing bi-fold doors create seamless transitions between indoor and outdoor areas. Constructed with thermally broken aluminium frames and double-glazed panels, these doors provide year-round usability while maintaining security and energy efficiency for modern living spaces.
Conservatories
Custom-built conservatories extend living spaces with light-filled designs. Using energy-efficient glazing and insulated roofs, our structures maintain comfortable temperatures year-round. Available in Victorian, Edwardian, and lean-to styles to complement property architecture.
Double Glazing Repairs
Comprehensive repair service addressing broken seals, damaged hinges, and lock replacements. Our technicians service all window types using manufacturer-approved parts. Emergency call-outs available for urgent glass replacements, ensuring restored security and thermal performance for existing installations.
People
Martin Harris
Owner & Director
With over 40 years in the industry, Martin oversees all installations and technical operations. His hands-on approach ensures every project maintains the company's quality standards established since 1976.
Katrina Harris
Manager & Finance
Handling business operations and financial management, Katrina ensures smooth administrative processes. Her organisational expertise maintains the company's efficient service delivery and customer satisfaction standards.
James Harris
IT Manager & Trade Manager
Managing technical systems and supplier relationships, James ensures access to the latest window technologies. His dual role maintains both digital infrastructure and product quality control.
Elizabeth Harris
Customer Care
Handling client communications, Elizabeth provides personalised support throughout the installation process. Her approach ensures clear information and timely responses to customer inquiries.
Patrick
Installation Team
Leading the installation team with 40 years' experience, Patrick ensures precise fitting of windows and doors. His expertise guarantees optimal performance and weatherproofing for every customer's property.
Questions
Are your window installations FENSA-registered?
Yes, all our window and door installations come with FENSA certification, ensuring compliance with building regulations without requiring additional council approval.
Do you offer repair services for existing double glazing?
We provide comprehensive repair services including seal replacements, lock upgrades, and hinge adjustments. Our technicians carry common replacement parts for immediate fixes.
What areas do you cover?
We serve all areas of Nottinghamshire and Derbyshire, including major towns like Nottingham, Derby, Mansfield, and Ashbourne with local knowledge of building requirements.
Can I get a free quote?
Yes, we offer free, no-obligation quotes with no commissioned sales team involved. Contact us directly for accurate pricing tailored to your specific needs.
What security features do your doors have?
Our composite doors include multi-point locking systems and Ultion 3* security locks. All products meet British security standards for residential properties.
How long does installation take?
Most window and door installations complete within 1-2 days. Conservatory builds typically take 2-4 weeks depending on size and complexity, with minimal disruption to your home.
