01638 751122

Premium Doors for Discerning Homes

From composite entrance doors to statement bi-folds — installed by our own expert team across Newmarket and Suffolk. Over 45 years of trusted installation.

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45 Years of Excellence

Doors Crafted to Impress

Your front door is the first statement your home makes. We supply and fit only premium doors — from DoorCo composite doors to Spitfire aluminium entrance doors, Spitfire Bowhouse internal doors, heritage aluminium doors and AluK bi-fold doors. Every installation is carried out by our own trained team with no subcontractors.

Explore Our Door Range

From secure entrance doors to full-width bi-fold openings, Micron Windows offers a complete door range for homes across Newmarket and the surrounding areas. Explore composite doors, Spitfire doors, aluminium bi-fold doors, patio doors, and uPVC front doors.

Manufacturing partners include Tradesupply Windows for aluminium systems. Book a free consultation at our Newmarket showroom.

Explore our Door Collection

Composite, bi-fold, Spitfire, heritage and more — beautiful, secure entrances for every style of home.

Composite Doors

Spitfire Aluminium Doors

Aluminium Bi-Fold Doors

Residential Entrance Doors

Heritage Doors

Porches

Spitfire Bowhouse Doors

uPVC Front & Back Doors

Why Choose Micron Windows for Your Doors?

Elite Brand Partnerships

Authorised installers for Spitfire Doors, DoorCo composite doors and AluK aluminium bi-fold systems.

PAS24 Security Standards

Our Spitfire doors are PAS24 certified and exceed RC2 security levels, tested by the IFT Rosenheim Institute. Multi-point locking standard across all door ranges.

All Work In-House

Every door installation is carried out by our own trained fitters. Visit our Newmarket showroom to see products on display.

Up to 10-Year Guarantee

Up to a 10-year manufacturer guarantee across our door range. Contact us for full warranty and aftercare details.

Get in touch today for your free, no-obligation quote — we'd love to help transform your home.

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What Our Customers Say

Doors — Your Questions Answered

Need more information? Call our team on 01638 751122 or visit our Newmarket showroom.

We supply DoorCo composite, Spitfire aluminium and AluK bi-fold doors, as well as our full uPVC range.

Our Spitfire aluminium doors are PAS24 certified and exceed RC2 as tested by the IFT Rosenheim Institute. All doors feature multi-point locking as standard.

Yes — visit our Newmarket showroom at Unit 5, Acorn Business Centre, Oaks Drive, CB8 7SY. Appointments preferred — call 01638 751122.

Most single door installations are completed within a day. Bi-fold and multi-door installations may take longer. Book your survey today.

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Reach us

Phone: 01638 751122

Address: Unit 5, Acorn Business Centre, Oaks Drive Newmarket, CB8 7SY

Email: info@micronwindows.com