A beautiful window collection; from contemporary to heritage; smooth to textured and all in a fantastic range of colours to suit any home. A huge range of composite doors, stable doors, bifold doors, French doors and patio doors. Lots of colours, lots of textures, lots of choice. Take a look at the extensive options available to upgrade your garage door; traditional side hinged, automated sectional and roller doors.

Enjoy your outdoor space from the comfort of one of our bespoke, thoughtfully designed light, bright and airy living rooms. Our 3000 sq ft showroom in the heart of Mere Green says it all. Stylish, innovative and modern, filled with a wealth of fantastic products. So whether you're looking for heritage timber alternative windows, sleek modern designs or a stunning new front door, it's all here.

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About

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Hi Sharon, Just wanted to let you know that we are delighted with our three new doors. Thank you for asking so many questions to get everything absolutely right. Please pass on our sincere thanks to the fitters who did an amazing job and worked really hard. Hi Sharon, The windows and doors look fantastic, thank you for all your help and advice, it all blends in so well.

Meet the team

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Kevin took over the running of JMI from his father, John Masefield back in 2000. He's Ex-Navy, a perfectionist, and a font of all knowledge about pretty much all things windows. Always on hand when you need him. Dean has been an integral staff member at JMI since 1999 and he's a real people person.

Showroom

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To JMI, Thank you for your professional services and completion of replacement windows through out and to our entire satisfaction. We just wanted to say what a fantastic job the fitters did and they really are a credit to your company. I would definitely recommend you to family and friends. Dear JMI, Thank you for your excellent service throughout my recent purchase and installation or a new Rockdoor.

Windows

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Hi Sharon, Just wanted to let you know that we are delighted with our three new doors. Thank you for asking so many questions to get everything absolutely right. Please pass on our sincere thanks to the fitters who did an amazing job and worked really hard. We just wanted to say what a fantastic job the fitters did and they really are a credit to your company.

Evolution timber alternative collection

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Dear Sharon, Just to let you know we are very pleased with the results. Mo and Sean were super workers and all in all we are delighted with the workmanship and result. We would recommend you to anyone. Hi, I would just like to thank you and your team for the service you gave us replacing our front door.

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