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Renewal by Andersen® Window Replacement & Patio Door Installation in Lewes, DE

At Renewal by Andersen, we’re proud to offer Lewes residents the very best in window replacement and patio door installation services. We’re here to help you enhance your home’s style and functionality. Schedule your free consultation today!

Renewal by Andersen® Signature Service

Superior product.

Our windows and doors are crafted from Fibrex® material, which combines the strength and insulative properties of wood with the low maintenance of vinyl. This innovative material is twice as durable as standard vinyl, offering unparalleled performance and longevity.

Hassle free process.

From the initial consultation to the final installation, our team of experts in Lewes will guide you through the process with ease. We strive to make your home improvement project as smooth and stress-free as possible.

Unrivaled beauty.

Customize your windows and doors to perfectly match your home’s aesthetic. With a vast array of styles, colors, and finishes, we ensure that every detail reflects your personal style.

Long term value.

Invest in your Lewes home with confidence, knowing that our products are designed to withstand the local climate. Enjoy peace of mind with comprehensive warranty coverage on glass, Fibrex® material, and our expert installation.

4-Step Process

Design Consultation

Start by meeting with our design specialists to explore a wide range of options tailored to your Lewes home.

Project Planning

Precise planning and measurements ensure a flawless fit and finish for every window and door.


Certified Master Installers execute every project with care, protecting your home and ensuring a perfect installation every time.

Customer Care

Our commitment to you extends beyond installation. We’re here to support you with maintenance tips, warranty information, and any post-installation questions.

Our Products

Replacement Windows

Transform your Lewes home with our custom-designed replacement windows. From traditional double-hung windows to expansive picture windows, each style is engineered for beauty and energy efficiency. Our selection includes:

Awning Windows

Ideal for hard-to-reach areas, offering ventilation and protection from the rain.

Bay & Bow Windows

Create a stunning focal point while adding space and letting in more light.

Casement Windows

Provide maximum ventilation and a clear view with their side-hinged design.

Sliding Windows

Perfect for spaces where a swinging window isn’t practical, offering easy access to fresh air.

Double Hung Windows

Classic style with the convenience of upper and lower sash ventilation.

Picture Windows

Frame the beautiful outdoors of Lewes without compromising on energy efficiency.

Specialty Windows

Custom shapes and sizes to make a unique architectural statement.

Patio Doors in Lewes, Delaware

Enhance your indoor-outdoor living space with our elegant patio doors, designed to meet the specific needs of Lewes homes. Our selection includes:

Sliding Glass Patio Door

Provide a minimalist, sleek frame that maximizes glass area, allowing natural light to fill your living space and providing expansive views of the outdoors.

French Sliding Patio Door

Combine the classic charm of French doors with the convenience of a sliding mechanism.

French Hinged Patio Door

Add a touch of timeless elegance with our traditional French patio doors.

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Entry Doors

Partnering with ProVia, we offer Lewes homeowners exceptional entry doors known for their durability, security, and aesthetic appeal. Every entry door is installed with precision, enhancing your home’s curb appeal and security.

Legacy Steel

Legacy™ Steel entry doors from Renewal by Andersen offer unparalleled strength and security for homeowners in Lewes. Constructed with robust steel, these doors are designed to provide maximum durability against wear and tear, ensuring your home remains safe and well-protected.

Beyond their formidable strength, Legacy™ Steel entry doors are engineered for energy efficiency, featuring thermal insulation properties that help maintain comfortable indoor temperatures and reduce energy bills. With a variety of finishes and styles available, you can choose a door that not only enhances your home’s security but also complements its aesthetic, adding a touch of elegance to your entryway.

Renewal by Andersen Storm Doors

In Lewes, homeowners have the option to enhance their new custom entry doors with the addition of a storm door. This extra layer provides significant protection, ensuring the entry door remains unscathed even in harsh weather conditions. The storm doors, made of aluminum, add an extra layer of durability, keeping the main door in pristine condition for many years with minimal upkeep required.

We commit to offering homeowners the highest quality storm doors available on the market. Each storm door is meticulously crafted to meet your specific requirements, adhering to ProVia’s high standards of excellence. Our storm doors feature an aluminum wall that’s 20% thicker than what’s typically found in the market, a design choice aimed at boosting durability and performance over time. Customizable to fit doorways up to eight feet tall, our storm doors come with a variety of screen options, including removable screens, glass inserts, and self-storing screens, to suit different preferences and needs.

Contact Renewal by Andersen in Lewes, DE, to discover more about our storm door offerings from ProVia!


The people, product, and installation surpassed all my expectations. Home is noticeably quieter, cooler in the daytime, and each window has a beautiful view as compared to the old aluminum frame.

John H.

I love my new windows, made a HUGE difference in the drafts, keeping wind noise out, and keeping heat in. I also choose a different style and the view is much nicer, easier to open and close

Tonya B.

We are extremely pleased with our large dining room window. The old window was not efficient; letting cold air into the house in the winter as well letting heat from the furnace outside! The installer was very professional, efficient and cleaned everything up nicely. The entire experience from sales to installers through follow-up was a pleasure.

Seth Y.

Proudly Serving Lewes and Throughout Delaware

Renewal by Andersen Delaware provides Lewes homeowners with the best in window replacement and door installation services. Our experienced team is ready to help you find the perfect products for your home. Contact us today to schedule your free, in-home consultation and take the first step towards transforming your home.

Renewal by Andersen Signature Fibrex® Material

Fibrex® material sets a new industry benchmark with its superior strength and durability, ensuring your windows are built to last.
The robust composition of Fibrex® material allows for slimmer window frames, enabling larger glass areas for a more expansive view.
Appreciate the convenience of Fibrex® material, which resists cracking, pitting, corrosion, and rotting, and removes the necessity for repainting.
Our windows have been rigorously tested for over two decades, affirming their enduring durability, especially in New Castle’s distinct climate.

Get in Touch with Us

Call Renewal by Andersen in Delaware to schedule your in-home consultation today. Our professionals are committed to simplifying every step of the process, so you can enjoy your new home improvement sooner than you think. Contact us to learn more about our hassle-free, 4-step process.

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