Windows, Doors & Conservatories in Norfolk & Suffolk
JM Installations provides expert window and door installations in Norfolk & Suffolk, along with conservatories and roofline services — all fitted with care and quality craftsmanship.
🛡️ Assure Certified
Certified installer
🔧 25+ Years’ Experience
Specialists in uPVC & aluminium
🏆 10-Year Guarantee
On products & installation
🏭 Made in Norfolk
All products manfacutred locally
Our Services
Quality installations across Norfolk & Suffolk — specialising in windows, doors, conservatories and roofline.
🪟 Windows
Energy-efficient uPVC and aluminium windows designed for security, warmth and style.
🚪 Doors
Stylish, secure and low-maintenance entrance, patio and bi-fold doors for every home.
🏡 Conservatories
Bright, comfortable spaces to enjoy all year round — expertly built and fully guaranteed.
🏠 Roofline
Fascias, soffits and guttering that protect your home and enhance kerb appeal.
About JM Installations
A trusted local team based in Norfolk — specialising in high-quality uPVC and aluminium windows, doors, and conservatories.
With over 25 years’ experience, JM Installations has built a reputation for honest advice, expert fitting, and exceptional customer service.
Every installation is backed by an Assure Certification and a 10-year guarantee, giving you complete peace of mind.
We’re proud to be an Assure-certified installer for guaranteed quality. Our products meet FENSA and British Standards requirements.
🏡 Local Experts ✅ Certified Installers ⭐ 5-Star Reviews
Why Choose JM Installations for Windows and Doors in Norfolk
💬 Free Quotes
No hidden fees or sales pressure — just honest advice and transparent pricing.
🛠 Expert Fitters
Every installation is handled by experienced, Assure-certified professionals.
📜 10-Year Guarantee
All work is fully guaranteed for lasting quality and total peace of mind.
🏠 Local & Trusted
Proudly serving Norfolk & Suffolk homeowners for over 25 years.
Window & Door Health Check — from £79
Keep your windows and doors working like new.
- ✔ Lubricate locks & hinges
- ✔ Replace worn seals
- ✔ Check alignment & draughts
What Our Customers Say
We’re trusted by homeowners across Norfolk and Suffolk for quality installations and friendly service.
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“Fantastic service from start to finish. Really pleased with the quality of the new windows.”
— Sarah M, Norwich
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“Doors were fitted quickly and professionally. Friendly, tidy and great communication.”
— Tom & Helen R, Wymondham
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“Would definitely recommend JM Installations — honest pricing and a 10-year guarantee.”
— David S, Attleborough
Get in Touch with JM Installations
Whether you’re ready to start your project or just need some friendly advice, we’re here to help.
Get your free quote for window and door installations in your area.
📍 Based in Norfolk — proudly serving homes across Norfolk & Suffolk