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We’re Winnetka’s Home Remodeling Experts

Winnetka’s historic and modern homes deserve remodeling that’s both elegant and dependable. Our home renovation services bring together premium materials, energy-smart updates, and tight craftsmanship—so beauty and performance go hand in hand, season after season.
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Sophisticated two-story home highlighting Great Day Improvements’ high-quality home renovation services across Winnetka, emphasizing design and durability.

Expert Home Renovation Services in Winnetka, IL

Doors

Doors
Gutters

Gutters
Siding

Siding
Sunrooms

Sunrooms
Windows

Windows

SEE PROJECT GALLERIES

Winnetka Home Remodels, Designed Around You

Accountability

We stand by what we do because we own every step—no handoffs and no wasted time. High quality comes standard with our skilled employees carefully handcrafting our products in the USA. 

Expertise

Our specialized experts live where you live and understand local factors that affect your home. We design and manufacture what we install to ensure a perfect fit every time. 

Value

Your next project is possible with a variety of plan options to fit your budget. We build and install our products to last—for you and the next homeowner.

WHY CHOOSE US
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Explore Your Options, Risk Free

Have questions? Still deciding who to work with? No problem. You can schedule a free, no obligation, in-home consultation. Our team will walk you through all your options and provide you with a detailed project quote so you can choose your remodeler with confidence. 

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The Great Day Improvements Experts in Winnetka, IL

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Homeowners Love Working With Great Day

Very knowledgeable with great demonstrations! Worked a good deal and looking for to having these beautifu…
Dale Lepp View Review

Very knowledgeable with great demonstrations! Worked a good deal and looking for to having these beautiful windows installed! Installers left some broken glass and other small messes so that was why I did not give a 5 star. Windows are great though!

The guy did a great job fixing the window issue Next to have fix a seal in a window or two
John Slavec View Review

The guy did a great job fixing the window issue
Next to have fix a seal in a window or two

Purchased a home with an existing Champion sliding glass door ….had an issue with latch! Contacted Jae an…
Mary Brown View Review

Purchased a home with an existing Champion sliding glass door ….had an issue with latch! Contacted Jae and Matt came to my home promptly. He was knowledgeable and efficient. Replaced the complete lock…..could not have been more pleased. Champion doors truly have lifetime warranties. He made my day for certain!!!

Chris was awesome with his presentation and transparency. He showed us samples and textures. The price an…
Theresa Mounts View Review

Chris was awesome with his presentation and transparency. He showed us samples and textures. The price and finance options are excellent. Chris is pleasant and knowledgeable. We’re very happy with what we will have done.
I’d recommend The Bath Authority, and Chris for the presentation.

Cade showed us doors and windows today. We were very impressed with the construction of both, but we boug…
Donna Brown View Review

Cade showed us doors and windows today. We were very impressed with the construction of both, but we bought windows today. We know where we will be going when we buy the doir

Very professional good work Andcraftsmanship my house looks great
Kim Conway View Review

Very professional good work Andcraftsmanship my house looks great

I have to give the service and the Project manager, Steve, 5 stars. They were very professional, helpful,…
Peter Desantolo View Review

I have to give the service and the Project manager, Steve, 5 stars. They were very professional, helpful, knowledgeable and polite. They returned after the initial installation and made any adjustments that were necessary.
Besides the service being excellent, the gutters look beautiful and really add to the appearance and value to the house. I’m also very happy I don’t have to clean them out every year.
Definitely go with Leafguard!

Our salesman Tyler was great. Very knowledgeable and not pushy. Our dog really liked the treats he brough…
Ned Larson View Review

Our salesman Tyler was great. Very knowledgeable and not pushy. Our dog really liked the treats he brought. We are excited to get our door installed!

New windows are beautiful, and installation went great. Outside is as great as inside. Can’t wait t…
Angie Miller View Review

New windows are beautiful, and installation went great. Outside is as great as inside. Can’t wait to see first utility bill and savings that quality windows bring.

Champion replaced a screened porch with a 10×10 sunroom. The workmanship was great and everything wa…
Deb Demmy View Review

Champion replaced a screened porch with a 10×10 sunroom. The workmanship was great and everything was explained as the project progressed. I’m happy with the final finished room.

Homeowners Love Working with Great Day

Image
Very knowledgeable with great demonstrations! Worked a good deal and looking for to having these beautifu…
Dale Lepp View Review

Very knowledgeable with great demonstrations! Worked a good deal and looking for to having these beautiful windows installed! Installers left some broken glass and other small messes so that was why I did not give a 5 star. Windows are great though!

The guy did a great job fixing the window issue Next to have fix a seal in a window or two
John Slavec View Review

The guy did a great job fixing the window issue
Next to have fix a seal in a window or two

Purchased a home with an existing Champion sliding glass door ….had an issue with latch! Contacted Jae an…
Mary Brown View Review

Purchased a home with an existing Champion sliding glass door ….had an issue with latch! Contacted Jae and Matt came to my home promptly. He was knowledgeable and efficient. Replaced the complete lock…..could not have been more pleased. Champion doors truly have lifetime warranties. He made my day for certain!!!

Chris was awesome with his presentation and transparency. He showed us samples and textures. The price an…
Theresa Mounts View Review

Chris was awesome with his presentation and transparency. He showed us samples and textures. The price and finance options are excellent. Chris is pleasant and knowledgeable. We’re very happy with what we will have done.
I’d recommend The Bath Authority, and Chris for the presentation.

Cade showed us doors and windows today. We were very impressed with the construction of both, but we boug…
Donna Brown View Review

Cade showed us doors and windows today. We were very impressed with the construction of both, but we bought windows today. We know where we will be going when we buy the doir

Very professional good work Andcraftsmanship my house looks great
Kim Conway View Review

Very professional good work Andcraftsmanship my house looks great

I have to give the service and the Project manager, Steve, 5 stars. They were very professional, helpful,…
Peter Desantolo View Review

I have to give the service and the Project manager, Steve, 5 stars. They were very professional, helpful, knowledgeable and polite. They returned after the initial installation and made any adjustments that were necessary.
Besides the service being excellent, the gutters look beautiful and really add to the appearance and value to the house. I’m also very happy I don’t have to clean them out every year.
Definitely go with Leafguard!

Our salesman Tyler was great. Very knowledgeable and not pushy. Our dog really liked the treats he brough…
Ned Larson View Review

Our salesman Tyler was great. Very knowledgeable and not pushy. Our dog really liked the treats he brought. We are excited to get our door installed!

New windows are beautiful, and installation went great. Outside is as great as inside. Can’t wait t…
Angie Miller View Review

New windows are beautiful, and installation went great. Outside is as great as inside. Can’t wait to see first utility bill and savings that quality windows bring.

Champion replaced a screened porch with a 10×10 sunroom. The workmanship was great and everything wa…
Deb Demmy View Review

Champion replaced a screened porch with a 10×10 sunroom. The workmanship was great and everything was explained as the project progressed. I’m happy with the final finished room.

Browse Additional Home Remodelers Near Winnetka, IL

You can find Great Day services all across the country – including these places nearby.

Questions About Our Home Remodeling in Winnetka, IL

What types of home remodeling projects does Great Day offer in Winnetka, IL?

We specialize in a wide range of remodeling services, including sunroom additions, window and door replacements, siding, gutters, and more. Every project is managed from design to installation by our in-house experts—no handoffs or subcontractors.

Do you offer financing options for Winnetka, IL homeowners?

Absolutely. We offer several flexible financing options to make your home improvement project more affordable. We can work with you to find a plan that fits your budget, including 0% interest plans and extended payment terms. During your consultation, we’ll will walk you through the best options for your project goals.

Do your remodeling projects in Winnetka, IL come with a warranty?

Yes—all of our products and installations are backed by industry-leading lifetime warranties. We stand confidently behind our work—giving Winnetka, IL homeowners peace of mind that their investment is protected for years to come.

What makes Great Day Improvements different from other Winnetka, IL contractors?

We’re not general contractors—we’re home remodeling experts who take full responsibility for every phase of your project. Our local knowledge, start-to-finish ownership of the process, and national reputation mean you get personalized service backed by proven brands.

Can I see examples of your work in the Winnetka, IL area?

We’re proud to serve the Greater Chicago, IL area and have completed projects in Berwyn, Evanston, Elgin, Wilmette, and even more across Illinois. View our online gallery or schedule a free consultation to see all of your design and style options.

How do I get started with Great Day Improvements?

It starts with a free consultation where we listen to your needs, assess your space, and provide expert recommendations. From there, we create a custom plan that works for your home, your budget, and your timeline. Give us a call at (800) 4-GREAT-DAY or fill out our contact form and we’ll schedule your free, in-home consultation at your convenience.

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