Trusted Local Reputation
Proud recipients of a 10/10 Checkatrade rating based on over 200 customer reviews. Most of our business comes from satisfied customers who recommend us to others.
10-Year Guarantee
All our installations come with a comprehensive 10-year insurance backed guarantee on both products and workmanship for complete peace of mind
Premium Quality Products
We only use high-quality uPVC, aluminium and composite materials from leading manufacturers to ensure durability and performance.
Family-Run Business
As a local family business, we treat every customer like a neighbour – with honesty, respect and personal service you won’t get from big corporations.
About Us
Our Hampshire Heritage
For over 15 years, Spinnaker Windows & Conservatories has been the trusted name for home improvement across Havant, Portsmouth, Waterlooville, Emsworth, Hayling Island, and Fareham. As a family-run business rooted in Hampshire, we’ve built our reputation on delivering exceptional double glazing, uPVC windows, and conservatory installation services to our local community. Our deep understanding of Hampshire homes allows us to provide solutions perfectly suited to our region’s unique architectural styles and weather conditions.
Our Story
Family-owned business with a passion for home improvements
15+ years of expertise in windows and conservatories
Checkatrade-vetted with 200+ verified customer reviews
FENSA-certified for compliant, regulation-ready installations
Local focus serving Havant, Portsmouth, and surrounding areas
What We Offer
Our Services
See More Work on Facebook
Real Customer Projects, Real Transformations
View completed projects and photo galleries on our Facebook page.
Why Choose Us
Your Local Hampshire Experts
At Spinnaker Windows & Conservatories, we transform homes with premium windows, doors, and conservatories. Based in Waterlooville, we’ve served Hampshire for over 15 years with unbeatable craftsmanship.
Quality You Can Trust
We use only the finest uPVC and aluminium products. Every installation comes with a 10-year guarantee for your peace of mind.
Local Reputation, National Standards
Rated 10/10 on Checkatrade (200+ reviews), we’re trusted across Portsmouth, Waterlooville, and beyond. Our customers love our no-pressure, honest approach.
Expert Installation & Security
Our in-house team ensures flawless fitting with minimal fuss. All products meet police-approved “Secured by Design” standards for maximum safety.
Why Choose Us
Your Local Hampshire Experts
At Spinnaker Windows & Conservatories, we transform homes with premium windows, doors, and conservatories. Based in Havant, we’ve served Hampshire for over 15 years with unbeatable craftsmanship.
Quality You Can Trust
We use only the finest uPVC and aluminium products. Every installation comes with a 10-year guarantee for your peace of mind.
Local Reputation, National Standards
Rated 10/10 on Checkatrade (200+ reviews), we’re trusted across Portsmouth, Waterlooville, and beyond. Our customers love our no-pressure, honest approach.
Expert Installation & Security
Our in-house team ensures flawless fitting with minimal fuss. All products meet police-approved “Secured by Design” standards for maximum safety.
how we work
Our Process
Customer Reviews
What Our Customers Say
We’re Local to You!
Areas We Cover
Areas We Cover
At Spinnaker Windows & Conservatories, we proudly provide high-quality double glazing, composite door fitting, and bespoke conservatory installations across Waterlooville, Hampshire and the surrounding areas. Whether you're upgrading to energy-efficient windows, securing your home with stylish new doors, or expanding with a custom-built conservatory, our team delivers expert craftsmanship tailored to your needs.
As a trusted FENSA registered installer, we bring professionalism, local expertise, and long-lasting results to every project. Our full-service team covers properties across a 50-mile radius, serving homeowners and businesses with prompt, reliable installations designed to enhance comfort, security, and kerb appeal.
hup! Home Extensions
Upgrade your home swiftly with our high-quality hup! builds
Built offsite to reduce disruption and installed five times quicker than standard construction.