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Your Trusted Double Glazing Experts in St Neots
Excelsior Windows & Conservatories has been a trusted name in double and triple glazing solutions for over two decades. As a family-run business based in St. Neots, we specialise in premium windows, doors, conservatories, and orangeries tailored to meet the unique needs of homeowners across Cambridgeshire. Our commitment to quality is evident in our use of high-performance materials, including A-rated energy-efficient windows and secure composite doors. We pride ourselves on delivering exceptional customer care, ensuring every project is completed to the highest standards with no subcontractors involved.

Our team's extensive experience, combined with a focus on innovation and sustainability, positions us as leaders in the local double glazing industry. We offer bespoke design options, from traditional timber effects to modern aluminium finishes, ensuring every product enhances both the aesthetics and functionality of your home. With a reputation built on reliability and transparency, we continue to grow through repeat business and customer referrals.
Services
Windows Doors Conservatories Orangeries Double Glazing Triple Glazing Door Design Energy Efficiency Home Extensions Custom Installations
Highlights and features
  • Over 20 years of experience in double glazing solutions
  • Family-run business with direct owner involvement
  • No subcontractors fully trained in-house fitters
  • A-rated energy-efficient and secure products as standard
  • Bespoke design options for windows, doors, and conservatories
What people say
Fantastic team High quality Competitive price Excellent service Great results
Services
Double Glazing
Our double glazing solutions feature high-performance glass units that significantly improve thermal efficiency and noise reduction. Each installation includes durable frames available in uPVC, aluminium, or timber finishes. With over two decades of expertise, we ensure precise fitting that enhances home comfort while reducing energy bills.
Composite Doors
We supply and install premium composite doors with advanced security features including Ultion locks and reinforced frames. Available in various styles and colours, our doors combine durability with aesthetic appeal. Our team ensures perfect integration with existing property architecture during professional installations.
Conservatories
Custom-built conservatories transform living spaces with year-round usability. We offer Edwardian, Victorian, and modern designs using thermally efficient materials. Our installations include optional upgrades like self-cleaning glass and enhanced roof insulation to maximise comfort and functionality.
Door Design
Our interactive door designers allow complete customisation of composite doors. Customers choose from multiple styles, colours, and hardware options to create unique entrance solutions. We provide visualisation tools to preview designs before manufacturing begins, ensuring perfect satisfaction with the final product.
Triple Glazing
Triple glazing systems offer superior thermal performance with three glass panes and argon gas filling. Ideal for colder climates, these windows reduce heat loss by up to 30% compared to standard double glazing. Our expert installers ensure airtight seals that maintain indoor comfort levels year-round.
People
Bruce
Co-Owner
With over 20 years in the double glazing industry, Bruce oversees operations and quality control. His hands-on approach ensures every installation meets exacting standards. He personally manages customer consultations to guarantee tailored solutions for each project.
Karen
Co-Owner
Karen manages customer relations and design consultations. Her expertise in product customisation helps clients achieve their vision. She ensures seamless communication throughout the installation process, maintaining the company's reputation for exceptional service and attention to detail.
Questions
What areas do you serve?
We operate throughout Cambridgeshire, including St. Neots, Bedford, and Huntingdon, with free local consultations available.
Do you offer energy efficiency guarantees?
Our A-rated windows and doors meet strict energy efficiency standards, with documented savings calculations available for all installations.
Can I customise my windows and doors?
Yes, we offer extensive customisation options including colours, finishes, hardware, and design elements for all products.
What is your installation process?
After initial consultation and design approval, our team completes installations within agreed timelines using fully trained fitters with no subcontractors.
Do you provide product warranties?
All installations come with comprehensive manufacturer warranties covering both materials and workmanship for customer peace of mind.