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Business Details
27 Years
experience
Trusted Window & Door Installers in Worthing
Trident Windows has been a trusted name in the window and door industry for over 25 years, combining extensive experience with a commitment to quality and customer satisfaction. As a locally owned family business based in Worthing, we specialise in supplying and installing bespoke uPVC, timber, and composite windows, doors, and conservatories tailored to meet the unique needs of residential and commercial properties. Our partnership with market-leading manufacturers like Rehau and Yale ensures our products meet the highest standards of security, energy efficiency, and durability, backed by a 10-year insurance-backed warranty.

FENSA-registered and proud of our long-standing reputation, we prioritise precision engineering, expert installation, and exceptional service, serving clients across Sussex, Surrey, and Hampshire. With a focus on innovation and customer-centric solutions, we strive to deliver lasting value through every project, from small repairs to large-scale installations.
Services
UPVC Windows External Doors Conservatories Box Sash Windows Roofline Products Porches Garage Doors
Details
  • Year established: 1999
Highlights and features
  • We have over 25 years of experience in window and door installation across Sussex.
  • Our products are manufactured by industry leaders Rehau and Yale for guaranteed quality.
  • We offer a 10-year insurance-backed warranty on all installations.
  • FENSA-registered installers ensure compliance with building regulations.
  • Local family business prioritising customer satisfaction and transparent communication.
Associations and certifications
  • FENSA
  • Consumer Protection Association
What people say
Valued customer Competitive prices Great fitters Excellent service Highly recommended
Services
UPVC Windows
Our UPVC windows combine energy efficiency with modern design, featuring low U-values and secure multi-point locking systems. Available in a range of styles and colours, they are custom-made to fit your home perfectly. Manufactured in the UK, these windows ensure durability and minimal maintenance while enhancing thermal insulation.
External Doors
We offer high-security uPVC and composite doors with advanced locking mechanisms and energy-efficient glazing options. Each door is tailored to complement your property's aesthetics while providing robust protection. Our installations include bi-fold, patio, and front doors, all backed by a 10-year warranty.
Conservatories
Transform your home with our custom conservatories, designed to maximise natural light and create versatile living spaces. Built with thermally efficient materials, they require minimal planning permission and are available in various styles, including lean-to and orangery designs, with optional brickwork integration.
Box Sash Windows
Handcrafted from premium oak and Accoya timber, our box sash windows blend traditional aesthetics with modern double glazing technology. Ideal for listed buildings and period properties, they offer seamless integration with heritage designs while improving energy performance.
Roofline Products
Upgrade your property's exterior with durable UPVC fascias, soffits, and guttering systems. These low-maintenance solutions protect against weather damage while enhancing curb appeal. Installed by our expert team, they ensure long-lasting functionality and a sleek finish.
People
Glen
Sales Advisor
Glen provides expert guidance on window and door selections, ensuring clients receive tailored solutions that align with their property's style and budget.
Luke
Installer
Luke specialises in precise window and door fitting, delivering clean, efficient installations that meet Trident's high standards of craftsmanship.
Alex
Technician
Alex handles complex repairs and adjustments, ensuring optimal functionality and customer satisfaction through meticulous attention to detail.
Questions
Do you offer a warranty on installations?
Yes, all our products come with a 10-year insurance-backed warranty covering both materials and workmanship.
Are your installers FENSA-registered?
Yes, our team are FENSA-registered, ensuring compliance with building regulations for all window and door replacements.
Can you install windows in listed buildings?
Yes, we specialise in bespoke timber windows suitable for listed properties, combining traditional craftsmanship with modern efficiency.
What areas do you cover?
We serve Sussex, Surrey, and Hampshire, including Brighton, Worthing, Chichester, and Horsham.
How long does installation take?
Most window and door installations are completed within three weeks of the initial survey, depending on project complexity.