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Business Details
21 Years
experience
Trusted Window & Door Installers in Milton Keynes
Crown Windows have been delivering premium window, door, and conservatory installations for over 20 years. Our family-run business combines traditional craftsmanship with modern innovation, serving homeowners across Buckinghamshire and Northamptonshire. As FENSA-registered installers, we adhere to the highest industry standards, offering made-to-measure solutions tailored to individual property requirements.

Our 10-year product warranty and insurance-backed guarantee reflect our confidence in installation quality. The Milton Keynes showroom allows customers to explore product ranges firsthand, supported by expert design consultations. With hundreds of five-star reviews, we maintain a reputation for reliability, technical excellence, and exceptional customer care throughout the home improvement journey.
Services
uPVC Windows Composite Doors Conservatories Tiled Roofs Bifold Doors French Doors Patio Doors Georgian Windows Sliding Sash Windows Flush Sash Windows
Details
  • Year established: 2005
Highlights and features
  • Free consultation with 3D design visualisation
  • 10-year product warranty and insurance-backed guarantee
  • FENSA-registered installers with 22+ years' experience
  • Award-winning customer satisfaction with 5/5 Trustpilot rating
  • Local expertise serving Buckinghamshire and Northamptonshire
Associations and certifications
  • FENSA
What people say
Excellent service Professional installers Highly recommend Quality products Prompt aftercare
Services
uPVC Windows
Our uPVC windows combine thermal efficiency with enhanced security features. Multi-chambered profiles and advanced glazing options reduce energy bills while maintaining aesthetic appeal. Available in casement, sash, and tilt-and-turn styles with custom colour finishes. Professional installation ensures compliance with building regulations and long-term performance.
Composite Doors
Thermally efficient composite doors offer superior security with multi-point locking systems. Customisable designs include decorative glass panels and various finish options. Engineered to withstand harsh weather conditions while maintaining kerb appeal for both modern and period properties.
Conservatories
Bespoke conservatories create additional living space with year-round usability. Available in Victorian, Edwardian, and lean-to styles with optional tiled roofs. Designed to complement existing architecture while incorporating modern insulation standards for comfortable temperature regulation.
Tiled Conservatory Roofs
Guardian Warm Roof conversions transform existing conservatories with insulated tiled roofs. U-values down to 0.15W/mK provide thermal efficiency comparable to standard house roofs. Retain existing framework while upgrading to a maintenance-free, weatherproof structure with integrated lighting options.
Bifold Doors
Aluminium bifold doors maximise space with minimal sightlines. Available in dual or single track configurations with high-security locking mechanisms. Thermal breaks and argon-filled glazing units maintain energy efficiency while creating seamless indoor-outdoor living transitions.
Questions
Do you offer replacement window services?
Yes, we specialise in replacing old or damaged windows with energy-efficient uPVC alternatives, available in various styles and custom sizes.
Are your installers certified?
All installations are performed by FENSA-registered professionals ensuring compliance with current building regulations and industry standards.
What warranty applies to installations?
We provide a comprehensive 10-year warranty covering both products and installations, supported by an insurance-backed guarantee.
Can I customise window colours?
Yes, we offer extensive RAL colour options including woodgrain effects and dual-colour finishes for both frames and hardware.
Do you serve conservation areas?
Our flush sash windows meet heritage requirements. We provide technical drawings and samples to support planning applications in protected areas.
Is financing available?
We offer finance options subject to status through our partnership with Shermin Finance Limited for approved applicants.
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