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Business Details
Trusted Building Supplies and Installation Services
Sunseeker Windows is a family-run business that has been trading continuously since the 1960s, offering high-quality windows, doors, conservatories, and PVC roofline products. Our commitment to quality assurance is demonstrated through a comprehensive 10-year guarantee on all installations and groundwork. We serve homeowners, builders, and developers across Northamptonshire and adjoining counties, providing best-value solutions at every stage of the manufacturing and installation process.

Our products are UKAS accredited with the UL Quality Mark for performance and security, and our casement windows meet the Secured by Design police initiative standards. As an industry leader, we maintain FENSA registration for replacement windows and doors, ensuring compliance with the highest industry benchmarks.
Services
Windows Doors Conservatories PVC Roofline Project Management
Highlights and features
  • We offer over 25 years of experience in premium window and door manufacturing.
  • Our products are UKAS accredited with the UL Quality Mark for performance and security.
  • We provide a 10-year guarantee on all installations and groundwork.
  • Our windows are Secured by Design, meeting police standards for home security.
  • We serve Northamptonshire and all adjoining counties with reliable service.
Associations and certifications
  • UL Quality Mark
  • FENSA
  • Secured by Design
Services
Windows
We offer a comprehensive range of PVCu and aluminium windows designed for superior energy efficiency and security. Our products feature advanced locking systems and thermal insulation, meeting UKAS-accredited UL Quality Mark standards. Ideal for homeowners and developers seeking durable, low-maintenance solutions.
Doors
Our doors combine aesthetic appeal with robust security features, including Secured by Design certification. Available in uPVC and aluminium, they are tailored for residential and commercial properties. Each installation comes with a 10-year guarantee for complete peace of mind.
Conservatories
We design and install custom conservatories that enhance living spaces while maintaining energy efficiency. Our structures use high-performance glazing and durable materials, ensuring year-round comfort and compliance with building regulations.
PVC Roofline
Our PVC roofline products include fascias, soffits, and guttering designed to protect properties from weather damage. These low-maintenance solutions resist fading and warping, offering long-term durability for residential and commercial buildings.
Project Management
We provide end-to-end project management for window, door, and conservatory installations. Our team ensures timely delivery within budget, adhering to strict quality and safety standards for both individual homeowners and large-scale developments.
Questions
What products does Sunseeker Windows offer?
We provide PVCu and aluminium windows, doors, conservatories, and PVC roofline products for residential and commercial properties.
Are your products certified for quality and security?
Yes, our products hold the UKAS-accredited UL Quality Mark and Secured by Design certification for enhanced security.
Do you offer guarantees on installations?
All installations come with a comprehensive 10-year guarantee covering both materials and workmanship.
Which areas do you serve?
We supply and install products across Northamptonshire and all adjoining counties, including Leicestershire and Buckinghamshire.
Can builders and developers use your services?
Yes, we offer full project management services tailored to new builds, social housing, and refurbishment projects.