Business Details
36 Years
experience
Your Trusted Window & Door Specialists in Sussex
Established in 1990, Window Wise has built an enviable reputation across Sussex for delivering high-quality windows, doors, conservatories, and glazed extensions. Our expertise stems from over three decades of continuous operation, during which we have transformed thousands of homes with craftsmanship, precision, and unwavering customer care. Based in Haywards Heath, we specialise in tailored solutions for both residential and commercial properties, offering a comprehensive 'Supply and Install' service for PVCu, timber, and aluminium products. Our design-and-build approach ensures every project, from conservatories to home extensions, meets exacting standards of durability, security, and aesthetic appeal.We prioritise transparency, avoiding high-pressure sales tactics or misleading discounts, and instead provide competitive pricing that reflects genuine value. Backed by a 10-year guarantee and SafeContractor accreditation, our skilled installation teams deliver reliable, aftercare-supported results. Nearly 70% of our new business originates from customer referrals, a testament to our commitment to excellence and client satisfaction.
Services
PVCu Windows
Timber Windows
Aluminium Windows
Composite Doors
Bi-fold Doors
Conservatories
Orangeries
Home Extensions
Porches
Commercial Installations
Details
- Year established: 1990
Highlights and features
- Over 30 years of expertise in window and door installations
- Expert installation teams with industry-leading skills
- 10-year guarantee on all products and workmanship
- 70% of our business comes from customer referrals
- No pressure sales approach with transparent pricing
Associations and certifications
- SafeContractor
What people say
Excellent service
Very professional
Highly recommend
Top notch
First class service
Services
PVCu Windows
Our energy-efficient PVCu windows combine modern slimline designs with superior insulation. Available in contemporary and period styles, they enhance kerb appeal while reducing heat loss. Tailored to your home's aesthetics, these low-maintenance windows ensure long-term durability and security without compromising on style.
Timber Windows
Crafted from sustainably sourced timber, our windows offer timeless elegance and natural insulation. Ideal for listed buildings or character homes, they feature precision-engineered joinery for weather resistance. Each window is custom-finished to match your property's architectural heritage while meeting modern energy efficiency standards.
Bi-fold Doors
Transform your living space with seamless indoor-outdoor transitions using our premium bi-fold doors. Engineered for maximum glass area and minimal frames, they flood interiors with light while maintaining security. Available in aluminium or PVCu, these space-saving doors are perfect for modernising kitchens or entertaining areas.
Conservatories
Create versatile living areas with our bespoke conservatories designed to complement your home. Using thermally efficient glazing and durable materials, we construct light-filled spaces that remain comfortable year-round. From traditional orangery designs to contemporary glass structures, each project includes expert groundwork and roofing options.
Home Extensions
Expand your home with our custom glazed extensions featuring hup! modular systems for rapid installation. Available in various configurations, these energy-efficient solutions maximise natural light while integrating seamlessly with existing architecture. Our end-to-end service covers design, planning, and precision fitting with minimal disruption to your household.
People
Tim Briggs
Director
Co-founder with over 35 years' experience in window installation. Established Window Wise in 1990 after working as a specialist installation team in the 1980s. Focuses on maintaining craftsmanship standards and operational excellence across all projects.
Richard Morgan
Director
Joint director and technical expert with extensive knowledge of double glazing systems. Has led product development since founding Window Wise in 1990. Ensures installations meet rigorous quality benchmarks while advising on material innovations and construction methodologies.
Questions
What areas do you serve?
We operate throughout West and East Sussex, covering locations from Brighton to Uckfield. Our primary service area includes all major towns and villages within these regions.
Do you offer a guarantee on installations?
Yes, all our products and workmanship come with a comprehensive 10-year guarantee, ensuring long-term quality and customer confidence in our services.
Can I visit your showroom?
Our Haywards Heath showroom is open Monday to Saturday, 9am-5pm. Saturday visits require prior appointment booking through our contact channels.
Are your installers qualified?
All installation teams hold CSCS cards and undergo regular training. Our SafeContractor accreditation confirms adherence to strict health and safety standards during every project.
What window materials do you provide?
We offer A-rated energy-efficient windows in PVCu, aluminium, and sustainably sourced timber, with custom finishes and glazing options to suit various architectural styles.
Reviews (4)
Jan Saunders
Feb 08, 2026
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Very pleased with my new door. Chris and Steven did a wonderful job, so professional quick, clean and tidy. Would recommend Window Wise 100% Thank You
Duncan
Dec 06, 2021
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Like this company. Recently sorted out a handle that was not working. Guy who attended was kind, friendly. Staff are always cheerful on the phone. Prices are competitive.
Han
Sep 20, 2021
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From start to finish window wise were fantastic. We had 5 windows replaced in our home. There was no hard sales at any point which we loved, Gavin was very friendly and professional. We are so pleased we chose them. All the team are very friendly and professional at all times. Everything was left tidy and clean after each working day and they ensured each window they worked on was finished before going home. The detail and care by the installers was outstanding, thank you Ollie and Adam. Was very easy process even with a 2 year old toddler in tow. Would 100% use them again in the future and would
Mark Jones
Jul 01, 2021
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Steve from Window Wise fitted for us 11 windows, a front door and a set of patio doors. His workmanship was exemplary, he always arrived on time and cleaned up after the job. We are extremely satisfied with the product. Thank you.
