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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

From initial sales Presentation through installation, my wife and I couldn’t be more pleased with the pur…
Rodney Schultz View Review

From initial sales Presentation through installation, my wife and I couldn’t be more pleased with the purchase with Universal Windows and doors.

Chong Lee was very professional and knowledgeable.
Chris Hacker View Review

Chong Lee was very professional and knowledgeable.

Very happy with Champion! Communication from Sales (John), to the Project Manager (Todd) and the builders…
Taylor Galpin View Review

Very happy with Champion! Communication from Sales (John), to the Project Manager (Todd) and the builders (Joshua & Lawrence) were top notch and they had the everything completed well ahead of schedule. They were willing to answer any questions I had, and kept me up to date on inspections, electricians, etc. Thank you to the team!

They arrived when they were expected. Cleaned up after themselves and the windows look great
Diane Socha View Review

They arrived when they were expected. Cleaned up after themselves and the windows look great

Listens well to my needs. Efficient and professional. Thanks!
Rosemary McCall View Review

Listens well to my needs. Efficient and professional. Thanks!

Ashley Rye answered all my questions and was very polite and professional.
Juan Delgado View Review

Ashley Rye answered all my questions and was very polite and professional.

We are replacing an exterior door and Rich sat down and provided us all the information needed in order t…
Daniel McElroy View Review

We are replacing an exterior door and Rich sat down and provided us all the information needed in order to make an informed decision. Rich thoroughly explain the product and process and we are completely satisfied. We have used Champion for window replacement a couple of times and will continue to use Rich at Champion for future projects.

Everyone I dealt with was great.
James Bowersox View Review

Everyone I dealt with was great.

Other than stating the obvious, get EVERYTHING in writing. Even the installation date! After that mixup w…
Colleen Adams View Review

Other than stating the obvious, get EVERYTHING in writing. Even the installation date! After that mixup was over, the whole job and experience was great. Fantastic turnout by awesome contractors, fast, friendly, experienced. Very knowledgeable staff. We would definitely recommend UWD!

We replaced the original 20 year old windows with Champion Windows over a 3 day period. The installers di…
Roger Paiml View Review

We replaced the original 20 year old windows with Champion Windows over a 3 day period. The installers did a very good job and we are very happy with the result.

Homeowners Love Working with Great Day

Image
From initial sales Presentation through installation, my wife and I couldn’t be more pleased with the pur…
Rodney Schultz View Review

From initial sales Presentation through installation, my wife and I couldn’t be more pleased with the purchase with Universal Windows and doors.

Chong Lee was very professional and knowledgeable.
Chris Hacker View Review

Chong Lee was very professional and knowledgeable.

Very happy with Champion! Communication from Sales (John), to the Project Manager (Todd) and the builders…
Taylor Galpin View Review

Very happy with Champion! Communication from Sales (John), to the Project Manager (Todd) and the builders (Joshua & Lawrence) were top notch and they had the everything completed well ahead of schedule. They were willing to answer any questions I had, and kept me up to date on inspections, electricians, etc. Thank you to the team!

They arrived when they were expected. Cleaned up after themselves and the windows look great
Diane Socha View Review

They arrived when they were expected. Cleaned up after themselves and the windows look great

Listens well to my needs. Efficient and professional. Thanks!
Rosemary McCall View Review

Listens well to my needs. Efficient and professional. Thanks!

Ashley Rye answered all my questions and was very polite and professional.
Juan Delgado View Review

Ashley Rye answered all my questions and was very polite and professional.

We are replacing an exterior door and Rich sat down and provided us all the information needed in order t…
Daniel McElroy View Review

We are replacing an exterior door and Rich sat down and provided us all the information needed in order to make an informed decision. Rich thoroughly explain the product and process and we are completely satisfied. We have used Champion for window replacement a couple of times and will continue to use Rich at Champion for future projects.

Everyone I dealt with was great.
James Bowersox View Review

Everyone I dealt with was great.

Other than stating the obvious, get EVERYTHING in writing. Even the installation date! After that mixup w…
Colleen Adams View Review

Other than stating the obvious, get EVERYTHING in writing. Even the installation date! After that mixup was over, the whole job and experience was great. Fantastic turnout by awesome contractors, fast, friendly, experienced. Very knowledgeable staff. We would definitely recommend UWD!

We replaced the original 20 year old windows with Champion Windows over a 3 day period. The installers di…
Roger Paiml View Review

We replaced the original 20 year old windows with Champion Windows over a 3 day period. The installers did a very good job and we are very happy with the result.

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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