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Business Details
47 Years
experience
Trusted Windows & Doors Supplier in Sutton Coldfield
Established in 1979, JMI Windows is a second-generation, family-run business with over four decades of expertise in supplying and installing high-quality windows, doors, and home improvement solutions. Our 3,000 sq ft showroom in Mere Green, Sutton Coldfield, showcases an extensive range of products, including heritage timber alternatives, modern PVCu windows, composite doors, garage doors, and bespoke living spaces. With a dedicated team handling every aspect from design to installation, we prioritise customer satisfaction through personalised service and attention to detail.

Our local service area spans Sutton Coldfield, Lichfield, Tamworth, and a 25-mile radius, supported by a reputation for reliability and craftsmanship. The showroom features interactive displays, including automated garage doors and a childrens play area, ensuring a convenient and engaging experience for all visitors.
Services
Windows Installation Doors Installation Garage Doors Composite Doors PVCu Doors Conservatories Orangeries Garden Rooms Window Repairs Secondary Glazing
Details
  • Year established: 1979
Highlights and features
  • We have nearly 40 years of experience in the window and door industry.
  • Our company is a second-generation, independent family-run business.
  • We offer a 3,000 sq ft showroom with a wide range of products.
  • Our team provides local installations within a 25-mile radius of Mere Green.
  • We prioritise customer service with a dedicated team from sales to installation.
What people say
Fantastic job Top flight Excellent service Polite and considerate Smooth and efficient
Services
Windows Installation
JMI Windows offers a comprehensive window installation service, featuring heritage timber alternatives, modern PVCu, and energy-efficient designs. Our expert team ensures precise fitting for enhanced insulation and aesthetics. Customers benefit from a wide range of styles, colours, and textures to complement any property, backed by decades of industry experience and a commitment to quality craftsmanship.
Composite Doors
We supply and install bespoke composite doors, including Solidor and Rockdoor brands, with options for traditional or contemporary styles. Our doors combine security, insulation, and visual appeal, tailored to individual preferences. The service includes expert consultation and fitting, ensuring seamless integration with existing properties and long-term durability.
Garage Doors
JMI Windows provides a range of garage door solutions, including Hormann sectional, roller, and side-hinged models. These doors enhance kerb appeal, security, and insulation while offering automated convenience. Our team assists with selection and installation, ensuring optimal functionality and aesthetic alignment with the property.
Window Repairs
Our Window Doctor service addresses repairs for broken seals, faulty hardware, and security upgrades like anti-snap cylinders. We cater to existing installations, regardless of the original supplier, ensuring cost-effective solutions. The service covers local areas, including Sutton Coldfield and Tamworth, with prompt, professional assistance.
Conservatories
We design and install conservatories, orangeries, and garden rooms using Ultraframe systems, offering light-filled living spaces. These structures blend insulation and style, with options for self-cleaning glass and solid roofs. The service includes custom design consultations to maximise property potential and client satisfaction.
People
Kevin Masefield
Co-Owner
Kevin Masefield co-owns JMI Windows, continuing the family legacy started by his father in 1979. With decades of industry experience, he oversees operations and customer relations, ensuring the business maintains its reputation for quality and reliability.
Sharon Masefield
Co-Owner
Sharon Masefield co-owns JMI Windows, bringing extensive knowledge and a customer-focused approach to the business. She plays a key role in design consultations and client interactions, reflecting the companys commitment to tailored solutions.
Questions
What types of windows do you offer?
We offer heritage timber alternatives, PVCu windows, and energy-efficient designs in various styles, colours, and textures to suit any home.
Do you provide installation services?
Yes, we offer professional installation for all products, including windows, doors, and conservatories, with a focus on precision and customer satisfaction.
What areas do you cover?
We serve Sutton Coldfield, Lichfield, Tamworth, and a 25-mile radius of our Mere Green showroom.
Do you offer repair services for existing windows?
Yes, our Window Doctor service repairs broken seals, faulty hardware, and security upgrades, regardless of the original supplier.
Are your products energy efficient?
Yes, our windows and doors feature energy-efficient designs to improve insulation and reduce utility bills.