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Expert Suppliers & Installers of Windows & Conservatories
Established over 30 years ago, S&J Windows remains a family-run business dedicated to delivering premium uPVC windows, doors, conservatories, and related installations across Peterborough, Kettering, and Huntingdon. Our reputation is built on exceptional craftsmanship, competitive pricing, and a commitment to tailoring solutions to individual client needs. With a team of fully qualified professionals, we ensure every projectfrom double glazing to bespoke orangery installationsadheres to the highest standards of safety and thermal efficiency. Our showroom in Market Deeping allows customers to explore our full product range, while our virtual quoting service offers convenience without compromising accuracy.

Every installation comes with a 10-year insurance-backed guarantee, reflecting our confidence in the durability and quality of our products. We pride ourselves on transparent communication, expert advice, and a personalized approach that has earned the trust of thousands of homeowners. Whether upgrading a roofline with uPVC fascias or transforming spaces with contemporary conservatories, our focus remains on exceeding expectations through innovation and reliability. This enduring ethos ensures we remain a leading choice for residential glazing solutions in the region.
Services
uPVC Windows Composite Doors Conservatories Fascias & Soffits Orangeries
Highlights and features
  • Family-run business with over 30 years of experience in glazing solutions
  • Offers 10-year insurance-backed guarantees on all installations
  • Professional team with expertise in complex conservatory and orangery projects
  • Free home surveys and virtual quoting service for added convenience
  • Showroom available for first-hand product demonstrations
Services
uPVC Windows
We offer durable uPVC windows in various styles including casement, sash, and tilt-and-turn designs. All installations meet current building regulations for thermal efficiency and security. Our made-to-measure windows come with a 10-year guarantee, ensuring long-term performance and customer satisfaction.
Composite Doors
Our composite doors combine robust security features with aesthetic appeal, available in multiple finishes and designs. Professionally installed by qualified technicians, these energy-efficient doors enhance property value while providing enhanced insulation and durability backed by a decade-long warranty.
Conservatories
We design and install bespoke conservatories tailored to complement existing properties. Available in Edwardian, Victorian, and lean-to styles, our structures utilise premium materials for year-round usability and include 10-year insurance-backed guarantees for structural integrity and workmanship.
Fascias & Soffits
Our uPVC fascias and soffits protect properties from weather damage while maintaining attractive external aesthetics. Installed with precision by experienced technicians, these components improve energy efficiency and come with extended warranties for material and workmanship quality.
Orangeries
We create custom orangeries that add functional living space while maintaining architectural harmony with existing buildings. Constructed using premium uPVC and timber materials, these structures feature advanced insulation systems and include comprehensive guarantees for structural performance and installation quality.
Questions
What services does S&J Windows & Conservatories offer?
We supply and install uPVC windows, composite doors, conservatories, orangeries, and roofline products across Peterborough, Kettering, and Huntingdon.
Do you provide guarantees on installations?
All our products come with a 10-year insurance-backed guarantee for materials and workmanship.
Can I get a quote without a home visit?
Yes, we offer a virtual quoting service using customer-supplied measurements and photographs for window and door replacements.
Is your showroom accessible to the public?
Our Market Deeping showroom displays full product ranges, with staff available to provide expert advice.
How experienced are your installation teams?
Our technicians have over 30 years combined experience in glazing installations, adhering to current building regulations.