- 4.4/5 Google Rated
- Established 1987
- 10 Year Guarantee
- CERTASS Registered
- Responsible Waste Recycling
Our high-quality double-glazed replacement windows are trusted in homes across Hampshire and the South East. Expertly installed by our experienced team, each window is designed to enhance your home’s energy efficiency, security, and aesthetic appeal.
With competitive pricing and a 10-year insurance-backed guarantee, you can enjoy peace of mind knowing your investment is protected.
Choose from a wide range of window styles and customisations to find the perfect fit for your home. Upgrade to energy efficient windows today with Excellent Windows.
Our replacement, double glazed windows are sourced from industry-leading manufacturers, ensuring exceptional quality, durability, and value. This commitment guarantees you receive top-tier products designed to enhance your home’s efficiency, security, and style.
A-rated energy-efficient windows provide superior thermal insulation, keeping your home warmer year-round while reducing heat loss. By minimising energy usage, these windows can lower your heating bills, offering long-term savings and enhanced comfort.
Once installed, our windows are designed to remain low maintenance, allowing you to enjoy your high-quality windows for years to come. For tips on keeping them in excellent condition, check out our comprehensive maintenance guide to learn more.
Highly secure windows with advanced multi-point locking mechanisms provide enhanced protection for your home, ensuring peace of mind and keeping your property safe.
At Excellent Windows, we offer a range of window styles, across Hampshire, Surrey and the South East. These include aluminium windows, timber windows and more. Explore our options below:
Our aluminium windows are supplied by leading UK manufacturers, ensuring long-lasting quality, excellent value and outstanding service. With slim frames and a modern finish, they provide strength, security and style for any property.
Strong, safe and stylish, our double glazed UPVC windows are a popular choice for homes of every type. They are low-maintenance, energy efficient and available in a wide range of styles and finishes to complement your property.
Tilt & Turn windows open inwards for easier cleaning and improved ventilation, while also providing a safe emergency escape route. This modern design combines practicality with a sleek, contemporary appearance.
Crafted from environmentally friendly softwood, our timber windows offer natural warmth, durability and classic style. They create a welcoming look while providing excellent insulation and long-lasting performance.
Our sash windows use a vertical sliding system that blends traditional elegance with modern technology and materials. They are ideal for maintaining the character of period homes while improving energy efficiency and security.
Flush windows sit neatly within your external wall, giving them a clean, seamless finish that suits both modern and traditional homes. Their advanced design makes them one of the best-performing window profiles on the market today.
Every home is different. We’ll help you choose the perfect combination of style, glazing and performance to suit your property.
Choose between traditional casement and flush window designs, each offering a distinct appearance to suit different property styles. Whether you’re enhancing a period home or a contemporary property, we’ll help you select the style that best complements your home’s character and your individual requirements.
Tailor your windows with optional performance enhancements designed to improve thermal efficiency, reduce outside noise and create a more comfortable home. We’ll recommend the most suitable upgrades based on your property’s needs, helping you achieve the perfect balance of comfort, performance and energy efficiency.
Add privacy and personality with a wide selection of glass designs. Whether you’re looking for additional privacy in bathrooms and entranceways or simply want to create a unique feature, there’s a glazing option to suit every home. Many designs also allow natural light to enter while maintaining your privacy.
Complete your windows with a choice of handle styles and finishes, carefully selected to complement both traditional and modern properties. The right hardware adds the finishing touch, combining everyday practicality with a coordinated appearance that perfectly matches your chosen window style.
Download our brochures to explore the full range of window styles, glazing options, colours and hardware. If you’d prefer personalised guidance, our team is always on hand to provide expert advice and a free, no-obligation quotation.
Residence 9 is our luxury window and door collection that faithfully replicates 19th-century timber designs, making it ideal for listed buildings and homes in conservation areas.
Residence 7 windows offer a sleek, flush-fitting design inspired by heritage timber frames, ideal for those wanting timeless looks with modern performance.
Creating extra space in your home, providing thermal efficiency for incredible performance year-round.
Our fascias, soffits and guttering protect your home from the elements while keeping it looking smart and low-maintenance.
Made to measure roller garage doors to keep your home looking well maintained.
We provide professional window installation across Hampshire, Berkshire and Surrey. Explore our key service areas below or view all locations we cover.
Quality commercial double-glazed windows are a long-lasting investment for your business, which is why we offer a 10-year guarantee as a trusted local supplier. With decades of experience, we ensure your commercial window glazing project is handled professionally and delivers peace of mind.
Our extensive range of windows is ideal for commercial properties, businesses, and residential developments. Designed for durability, energy efficiency, and natural light, these windows provide versatile solutions that perform flawlessly for years.
Contact us to discuss your requirements or arrange a free on-site consultation.
Choosing new double glazed windows is an important investment, and our team at Excellent Windows is on hand to help you explore the right options for your home.
The cost of double glazing in Hampshire depends on factors such as the size of your property, the number of windows or doors, the style you choose, and the specification of the glazing.
Prices can vary widely, with premium systems offering improved energy efficiency, security, and long-term durability compared to standard options.
For a quick estimate, you can use our instant online quote tool. For a more accurate price, it’s best to get a tailored quote, call Excellent Windows on 01256 830079 to discuss your project.
Most replacement window installations are completed surprisingly quickly. As a guide, our experienced two-person installation team typically takes around 3–4 hours per window, with an average full house installation completed in around one week, depending on the number of windows and the complexity of the project.
Before installation, we’ll carry out a detailed survey to ensure every measurement is correct. Once your new windows have been manufactured and thoroughly quality checked, we’ll arrange an installation date that suits you and keep disruption to your home to a minimum throughout the process.
The best window style depends on the character of your property, your personal preferences and your practical requirements.
We’ll guide you through the available options, including flush and casement styles, colours, glazing options and hardware, helping you choose windows that complement your home rather than simply replacing what’s already there.
Yes. Our windows are made to your exact specification.
Depending on the product you choose, you can customise:
We’ll explain the available options during your consultation and recommend what works best for your property.
Yes. Modern double glazing is designed to improve thermal efficiency, helping your home stay warmer in winter and cooler in summer.
We can also recommend upgraded glazing options where appropriate to further improve energy performance and comfort.
Yes. Our installation team includes installers and surveyors qualified to the highest NVQ level, and all work is carried out in accordance with current Building Regulations.
We’re also CERTASS Registered, giving you complete confidence that your installation meets the required standards.
At Excellent Windows, we take a consultative and design-led approach. We never use pressure, false discounts or sales tactics. Instead, we spend time understanding your home, how each elevation looks, and what will genuinely enhance its character and value. Our clients trust us because we focus on the bigger picture rather than selling a single product.
You are supported by a leadership team with almost 120 years of combined experience. Technical or challenging installations are completely normal for us, and we never charge more for complexity. We regularly work on period homes, larger properties and bespoke projects where detail and symmetry matter.
We offer professional installation for all of our double glazing products, including windows, doors, conservatories, and roof lanterns; across Hampshire, Berkshire, and Surrey. Whether you’re upgrading your home or working on a new build, we deliver energy-efficient, secure, and stylish solutions to suit your space.
Here’s what you can expect from our installation service:
With local installers covering Basingstoke, Fleet, Reading, Newbury, Farnborough, Guildford and surrounding areas, we’re proud to offer a high standard of service across the South East.
Want to know more? Contact us today.
Every installation we complete is fully covered by our 10-year insurance backed guarantee.
If for any reason, there is a problem with your product or the installation, we will put things right at no extra cost.
Discover valuable tips in our Maintenance and Cleaning Guide that will help you maintain your installations, ensuring they last longer and perform at their best. By following this guidance, you can avoid potential charges for repairs due to neglect or improper maintenance, keeping your products in line with their warranty.
Discover valuable tips in our Maintenance and Cleaning Guide that will help you maintain your installations, ensuring they last longer and perform at their best. By following this guidance, you can avoid potential charges for repairs due to neglect or improper maintenance, keeping your products in line with their warranty.
