Transforming Your Home, One Window at a Time.
At JMI Windows, we take pride in being a second-generation, family-run business that has been serving the local community with exceptional quality and service for nearly 40 years. Our 3000 sq ft showroom in the heart of Mere Green, Sutton Coldfield, is a testament to our commitment to providing our customers with the best possible experience.
Our History
JMI Windows was founded in 1979 by John Masefield and was later taken over by his son and daughter, Kevin and Sharon Masefield. We have grown significantly over the years, moving from a small unit in a garden centre to our current state-of-the-art showroom in Belwell Lane, Mere Green. Our journey has been marked by a passion for innovation, a commitment to quality, and a dedication to customer satisfaction.
Our Services
We offer an extensive range of products and services to cater to all your home improvement needs. Our collection includes:
- Windows: A beautiful range of Evolution timber alternative collection, composite doors, PVCu doors, aluminium windows, and bifolding doors.
- Doors: A vast selection of composite doors, stable doors, bifold doors, French doors, and patio doors in a wide range of colours and textures.
- Garage Doors: A wide range of garage door options, including traditional side-hinged, automated sectional, and roller doors.
- Orangeries and Conservatories: Bespoke, thoughtfully designed living rooms that bring the outdoors in.
- Traditional and Contemporary Fittings: A wide range of fittings to suit any home style.
- Garage Doors: A variety of garage door options to upgrade your garage door.
- Window Doctor Repair Service: Our dedicated repair service for all your window and door repair needs.
- Other Products: A selection of additional products to complete your home improvement project.
Our team of experts is dedicated to providing exceptional service, from initial consultation to installation and after-sales support. We take pride in our attention to detail, ensuring that every project meets the highest standards of quality and craftsmanship.
Why Choose JMI Windows?
At JMI Windows, we are committed to staying ahead of the curve, keeping up with the latest trends and innovations in the industry. Our team is dedicated to providing exceptional service, ensuring that every customer has a seamless and enjoyable experience. With nearly 40 years of experience, we have built a reputation for quality, reliability, and customer satisfaction.
Overview of Reviewers' Experiences
Positive Experiences
Several reviewers praised JMI's professionalism, quality of work, and attention to detail. Many mentioned the friendly and helpful staff, efficient communication, and excellent customer service. Some reviewers specifically commended the installation team, citing their tidiness, politeness, and expertise.
Negative Experiences
On the other hand, some reviewers had negative experiences with JMI. One reviewer, Mike Jones, had a particularly bad experience, citing unacceptable frame quality, poor after-sales service, and exploitative contract terms. Another reviewer, Pam Mills, was disappointed with the lack of follow-up after requesting a quote. Flying Pigs had a poor experience with aftercare and repair services.
Common Themes
Some common themes emerge from the reviews:
- Quality of Work: Many reviewers praised JMI's high-quality products and workmanship.
- Customer Service: Friendly, helpful, and efficient communication were common praises.
- Professionalism: Reviewers often mentioned the professionalism of the installation team and staff.
- Attention to Detail: Several reviewers appreciated the attention to detail and care taken during installations.

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