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We’re Derry’s Home Remodeling Experts

Blending small-town charm with easy access to Manchester, Derry homeowners value comfort and reliability. Great Day Improvements proudly serves the area with expert renovation services, installing durable solutions built for New England weather.
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Two-story home with upgraded siding and energy-efficient windows, renovated by Great Day Improvements to deliver lasting protection and a polished exterior.

Expert Home Renovation Services in Derry, NH

Gutters

Gutters

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Derry 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 Derry, NH

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Homeowners Love Working With Great Day

Nice work. Clean and fast. Looks fantastic. Thanks folks!
Lee Kosmen View Review

Nice work. Clean and fast. Looks fantastic. Thanks folks!

The Gentleman who’s installing my windows his very Nice Polite and have excellent experience./he kn…
Ligia Cronin View Review

The Gentleman who’s installing my windows his very Nice Polite and have excellent experience./he knows wt his Doing.
Thanks for having him here Doing my windows I would like for him to install my other windows.
Thanks so Much im excited to look my new windowsm

I met with Tony and John today and they did a very good job explaining everything and showing me the prod…
karen czeczok View Review

I met with Tony and John today and they did a very good job explaining everything and showing me the product choices available. They gave me a great price had very good discounts available . They designed the exact shower I wanted and made it affordable for me. I can’t wait to get it installed.

Our agent was fantastic, and had actual materials and demonstrations to go along with our discussion. Ver…
Korynn Elam View Review

Our agent was fantastic, and had actual materials and demonstrations to go along with our discussion. Very interactive, I loved it. Will be purchasing because of her.
Update::: The three man crew that did my windows did a PHENOMENAL job and deserve recognition. They were quick, clean and very polite. Their music was low and appropriate. I’m not for sure on the name of the man leading the others, but he handpicked glass and paint chips out of my flowerbeds until there was literally no trace. My plants are very important to me, it was like he was holding my heart and taking such good care of it. I would 100% be comfortable leaving this crew alone at my home, and I have absolutely no doubt that I would come home to it looking new but the same/clean when I got back. I was 100% satisfied with our care, and I’m really hoping more customers tell them so they can know people do actually appreciate them for the little things they do (like tiny paint chips in a flower bed). I would 100% recommend your company based on the performance of this crew.

Justen was fantastic, just the perfect personality to put up with two old folks🥰
Marikay Harris View Review

Justen was fantastic, just the perfect personality to put up with two old folks🥰

Chris Mollohan explained why we had the issues we had with our existing gutters and how Leafguard would s…
Candy Tessmann View Review

Chris Mollohan explained why we had the issues we had with our existing gutters and how Leafguard would solve these issues. He was very thorough and willing to answer our questions. We are looking forward to having the new gutters on our home.

I recently replaced all my screens and installed new aluminum frames. Installation was great and the inst…
Larry Bouchy View Review

I recently replaced all my screens and installed new aluminum frames. Installation was great and the installer was extremely professional and very courteous He was very meticulous, took great care of my property going in and out of the house. Explained in detail how installation would proceed, showed up on time every morning until completion of the project.

Great install, the installer Kris did an excellent job doing the install. Everything look looks great wit…
Sean Murphy View Review

Great install, the installer Kris did an excellent job doing the install. Everything look looks great with the door

Kenneth Williams – my son loves his bald head. Great time. Respectful man.
Trisha Gilliland View Review

Kenneth Williams – my son loves his bald head. Great time. Respectful man.

Thank you Theresa for getting everything done. Looking forward to seeing everything done.
Julie Deats View Review

Thank you Theresa for getting everything done. Looking forward to seeing everything done.

Homeowners Love Working with Great Day

Image
Nice work. Clean and fast. Looks fantastic. Thanks folks!
Lee Kosmen View Review

Nice work. Clean and fast. Looks fantastic. Thanks folks!

The Gentleman who’s installing my windows his very Nice Polite and have excellent experience./he kn…
Ligia Cronin View Review

The Gentleman who’s installing my windows his very Nice Polite and have excellent experience./he knows wt his Doing.
Thanks for having him here Doing my windows I would like for him to install my other windows.
Thanks so Much im excited to look my new windowsm

I met with Tony and John today and they did a very good job explaining everything and showing me the prod…
karen czeczok View Review

I met with Tony and John today and they did a very good job explaining everything and showing me the product choices available. They gave me a great price had very good discounts available . They designed the exact shower I wanted and made it affordable for me. I can’t wait to get it installed.

Our agent was fantastic, and had actual materials and demonstrations to go along with our discussion. Ver…
Korynn Elam View Review

Our agent was fantastic, and had actual materials and demonstrations to go along with our discussion. Very interactive, I loved it. Will be purchasing because of her.
Update::: The three man crew that did my windows did a PHENOMENAL job and deserve recognition. They were quick, clean and very polite. Their music was low and appropriate. I’m not for sure on the name of the man leading the others, but he handpicked glass and paint chips out of my flowerbeds until there was literally no trace. My plants are very important to me, it was like he was holding my heart and taking such good care of it. I would 100% be comfortable leaving this crew alone at my home, and I have absolutely no doubt that I would come home to it looking new but the same/clean when I got back. I was 100% satisfied with our care, and I’m really hoping more customers tell them so they can know people do actually appreciate them for the little things they do (like tiny paint chips in a flower bed). I would 100% recommend your company based on the performance of this crew.

Justen was fantastic, just the perfect personality to put up with two old folks🥰
Marikay Harris View Review

Justen was fantastic, just the perfect personality to put up with two old folks🥰

Chris Mollohan explained why we had the issues we had with our existing gutters and how Leafguard would s…
Candy Tessmann View Review

Chris Mollohan explained why we had the issues we had with our existing gutters and how Leafguard would solve these issues. He was very thorough and willing to answer our questions. We are looking forward to having the new gutters on our home.

I recently replaced all my screens and installed new aluminum frames. Installation was great and the inst…
Larry Bouchy View Review

I recently replaced all my screens and installed new aluminum frames. Installation was great and the installer was extremely professional and very courteous He was very meticulous, took great care of my property going in and out of the house. Explained in detail how installation would proceed, showed up on time every morning until completion of the project.

Great install, the installer Kris did an excellent job doing the install. Everything look looks great wit…
Sean Murphy View Review

Great install, the installer Kris did an excellent job doing the install. Everything look looks great with the door

Kenneth Williams – my son loves his bald head. Great time. Respectful man.
Trisha Gilliland View Review

Kenneth Williams – my son loves his bald head. Great time. Respectful man.

Thank you Theresa for getting everything done. Looking forward to seeing everything done.
Julie Deats View Review

Thank you Theresa for getting everything done. Looking forward to seeing everything done.

Browse Additional Home Remodelers Near Derry, NH

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

Questions About Our Home Remodeling in Derry, NH

What types of home remodeling projects does Great Day offer in Derry?

We specialize in a wide range of remodeling services, including windows, gutters, sunrooms, doors, 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 Derry 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 walk you through the best options for your project goals.

Do your remodeling projects in Derry 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 Derry homeowners peace of mind that their investment is protected for years to come.

What makes Great Day Improvements different from other Derry 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 Derry area?

We’re proud to serve the Derry area and have completed projects across New Hampshire. 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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