Brand Certified
Window World of Northern Delaware
5.0(12 reviews)
Certified by Window World of Northern Delaware • Apr 26, 2026
Business Details
325 Water Street, Wilmington, DE
19804, United States
Certified by Window World of Northern Delaware • Apr 26, 2026
(302) 204-2159
Certified by Window World of Northern Delaware • Apr 26, 2026
https://www.windowworldnorthdel.com/
Certified by Window World of Northern Delaware • Apr 26, 2026
About
Certified by Window World of Northern Delaware • Apr 26, 2026
Window Installation ServiceWindow SupplierDoor SupplierSiding ContractorHome Improvement StoreWindow World
Experience Window World's unrivaled ENERGY STAR replacement windows and other home exterior products such as doors, vinyl siding, shutters, roofing and more. Contact us to schedule your free in-home or virtual quote today!
Details
- Wheelchair accessible entranceAvailable
Location
Certified by Window World of Northern Delaware • Apr 26, 2026
Window World of Northern Delaware
325 Water Street, Wilmington, DE
19804, United States
Hours
Certified by Window World of Northern Delaware • Apr 26, 2026
Monday9:00 AM - 4:30 PM
Tuesday9:00 AM - 4:30 PM
Wednesday9:00 AM - 4:30 PM
Thursday9:00 AM - 4:30 PM
Friday9:00 AM - 4:30 PM
SaturdayClosed
SundayClosed
Reviews
5.0
12 reviews
5 stars
12
4 stars0
3 stars0
2 stars0
1 star0
- MGMark Grunza2 days ago5.0Darrin Kelly of Window World was very responsive to the replacement of one of my windows. For no reason, the window, which was over a year old at the time, cracked on the inside pane of the window. Darrin confirmed the opening the same day, ordered and had it replaced in approximately 3 weeks. Since they guaranty their windows, there was no charge. I am very happy with Window World and Darrin's responsiveness. Mark
- CTCynthia Tilghman-LaddOct 16, 20255.0Our church had 13 windows replaced in our Educational wing and Window World did an excellent job. All windows were on the second floor of the building so not an easy job. The workers were all professional and worked tirelessly to complete the job in 3 days. The transformation is amazing! The job was cleaned up when completed and our building has never looked this good. These are new owners and they are doing a great job! Highly recommend!
- ZCZachary CoxSep 9, 20245.0Very impressed with the windows. Fair price, timely install, professional service. If they keep us warm in the winter, I’ll be thrilled.
- MLMarie LogothetisJul 30, 20245.0Window World installed 9 windows in my porch. The process was smooth from start to finish. The installers arrived on time, took out the old screens and installed the new windows. They were respectful of my property, explained every step, cleaned up and finished by the end of the day. I highly recommend Window World and would use them again.
- RSRich ShoemakerNov 7, 20235.0I had 25 windows replaced over three visits this summer and can't say enough good things about the experience. Professional from start to finish.
Frequently Asked Questions About Window World of Northern Delaware
What types of payment methods and financing do you offer?
We offer a variety of payment methods and financing options (subject to approved credit) depending on promotional period. Please contact us for more information regarding available options.
Will the replacement windows be installed from the inside or outside?
The majority of our replacement windows are installed from the outside. In some situations it may be necessary to install from the inside. On the day of installation, your installation expert will assess your unique situation and explain the process that will best suit your home.
Do you install replacement windows year-round? If so, will I lose a lot of heat/cooling at the time of installation?
Window World installs replacement windows year-round. An average installation will take only one day. Our crews install one window at a time and are trained to do what they can to minimize heating/cooling loss. The energy savings from your new windows will recover any incremental energy costs incurred during their installation many times over during their lifetime.
How can I prepare my house for my replacement windows?
Please take down curtains, blinds, or any other window treatments. Security sensors should also be removed and turned off by your security company. Please provide our installation expert with a clear path to the window(s) being replaced by moving anything that may be in the way. It is also advisable to remove all wall decorations from the walls close to the windows as they may fall during removal or installation.
How long will it take to get my replacement windows? How much time should I allow for the installation?
Since every window ordered is custom-built to fit your home and design choices, manufacturing times vary. Once delivered, the type of window being installed and the type being removed help determine the amount of time needed to complete the job. On average, each window takes about 30 minutes. Trim work and cleanup will require additional time to complete. An average job will take a single day.
What type of warranty is available for my windows?
All windows and patio doors we sell come with a manufacturer’s lifetime limited warranty and a repair labor guarantee, good for as long as you own your home! Contact us or see our warranties page for more details.
What happens to my old windows?
After installing your new replacement windows we remove all old windows from your property and dispose of them properly. If you wish to keep your old windows or storm windows, please notify the installation crew as soon as it arrives for your installation.
What do I do if there is a problem with the windows?
Most of the issues encountered by our customers are easily corrected and don't necessarily mean that there is a problem with your window. You are always welcome to contact us for help.
What payment methods and financing options does Window World of Northern Delaware offer?
We offer payment by cash, check, and financing options subject to approved credit and promotional periods. Contact us for details on current options.
Are replacement windows installed from the inside or outside?
Most replacement windows are installed from the outside. In some cases, installation may take place from the inside depending on your home's specifics.
Does Window World of Northern Delaware install replacement windows year-round?
Yes, we install replacement windows throughout the year. Installations typically take one day per job, minimizing heat or cooling loss.
How can I prepare my home for window replacement installation?
Please remove curtains, blinds, window treatments, and disable security sensors. Provide a clear path to the windows and remove nearby wall decorations.
How long does it take to receive and install replacement windows?
Windows are custom-built with variable manufacturing times. Each window installation takes about 30 minutes on average, with additional time for trim and cleanup; typically, a job finishes in one day.
What type of warranty does Window World of Northern Delaware provide?
All windows and patio doors come with a manufacturer's lifetime limited warranty and a repair labor guarantee valid as long as you own your home.
What happens to my old windows after installation?
We remove and properly dispose of your old windows unless you instruct us to keep them when the installation crew arrives.
What should I do if I encounter a problem with my new windows?
Most issues are easily corrected. You can always contact us for assistance with any concerns about your windows.
What nearby home improvement stores can I visit when coming to Window World of Northern Delaware?
You can visit Little Lamp Lights nearby, a home improvement store, which is convenient for exploring additional home products before or after your visit.
Are there nearby garage door service providers close to Window World of Northern Delaware?
Yes, Precision Garage Door of Delaware and Clark and Sons, Inc. are nearby garage door service providers that customers might find handy for related home improvement needs.
What other home interior or staging services are near Window World of Northern Delaware?
Stage Right Home Staging, an interior design and home staging service, is nearby and might be useful if you're considering comprehensive home improvements.
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