Replacement Windows Newmarket & Suffolk

Upgrade your home with new energy-efficient windows. Over 45 years of expert installation across Newmarket, Suffolk and Cambridgeshire.
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Est. 1980

Time for a Change?

Replacing old, draughty windows is one of the most impactful upgrades you can make to your home. We offer uPVC windows, aluminium windows, vertical sliding sash windows, flush casements, tilt & turn and timber look windows. All installations are FENSA certified and compliant with Approved Document L.

Replacement Windows in Newmarket, Cambridgeshire

Stylish, Energy-Efficient, and Professionally Installed by Micron Windows

Looking to upgrade your home with replacement windows in Newmarket? At Micron Windows, we supply and install high-quality replacement uPVC and aluminium windows designed to improve your property’s energy efficiency, security, and appearance.

Our team supplies and installs a wide range of styles, materials, and glazing options, so you can choose the look that suits your home and style.

Replacement Windows Designed for Efficiency, Comfort & Performance

All of our replacement windows are built to exceed or meet current UK building regulations — including all requirements for ventilation, insulation, safety glazing, and means of escape in case of fire.

Whether you’re replacing broken, inefficient, old, draughty windows or upgrading to a modern finish, Micron Windows ensures your new windows deliver every time:

  • Improved Energy Efficiency – Keep your home warmer for longer and reduce your heating bills.
  • Enhanced Security – Advanced locking systems for complete peace of mind.
  • Noise Reduction – Enjoy a quieter living space.
  • Low Maintenance – Durable materials that are easy to clean so you can have them looking newer for longer.
  • Professional Fast Installation – Quick, tidy, and hassle-free service from our local team.

Our Replacement Window Options

We offer a full range of replacement window styles and materials, including:

  • uPVC windows – Cost-effective, secure, and energy-efficient.
  • Aluminium windows – Modern, with slimline frames and a sleek aesthetic.
  • Vertical sliding sash windows – Perfect for period and heritage properties.
  • Flush casement windows – Contemporary design and traditional charm.

All of our windows are made to measure and installed with precision, ensuring a perfect fit and lasting performance for years to come.

As a trusted local company, Micron Windows has been helping homeowners and businesses across Newmarket, Cambridgeshire, and the surrounding areas for over 45 years.

When you choose us for your replacement windows, you’ll benefit from:

  • FENSA-registered installations
  • Compliant with all UK building regulations
  • Competitive, transparent pricing
  • Friendly, professional service with minimal disruption
  • Comprehensive product and installation guarantees

Upgrade Your Home with Replacement Windows from Micron Windows

We make replacing your windows simple and stress-free. From your free quotation and design consultation to expert installation, our team will guide you every step of the way.

Request a free quote online, book a showroom or home visit. Proudly serving Newmarket, Cambridgeshire, Ely, Bury St Edmunds and surrounding areas.

No hard sell – just friendly, professional advice and competitive prices on new replacement windows.

Experience the difference with high-quality, energy-efficient replacement windows from your local window experts — Micron Windows.

Why Choose Micron Windows for Replacement Windows?

FENSA Registered Installations

All replacement window installations are FENSA certified and compliant with all UK building regulations — protecting the value of your home.

Improved Energy Efficiency

Our replacement windows meet or exceed Approved Document L. High-performance glazing options available to maximise thermal performance.

Enhanced Security

Multi-point locking and toughened safety glass as standard. See our composite doors and Spitfire aluminium doors for matching high-security entrance solutions.

Eco-Friendly & Sustainable

Old windows recycled via the UK's leading uPVC recycler. Many new systems made from 100% recycled uPVC. Read about our sustainability commitments.

What Our Customers Say

Replacement Windows Your Questions Answered

Not sure where to start? Call us on 01638 751122.

Signs include draughts, condensation between panes, difficulty operating, visible damage, or higher energy bills. Book a free survey and our team will advise you.
Yes. All old frames are responsibly recycled via the UK's leading independent uPVC recycler. Read about our sustainability commitments.
Yes — all installations are FENSA certified and come with up to a 10-year manufacturer guarantee. Contact us for details.

Get Quote

    Reach us
    Phone: 01638 751122
    Address: Unit 5, Acorn Business Centre, Oaks Drive Newmarket, CB8 7SY
    Email: info@micronwindows.com