Window And Door Installation

Beautiful Windows That Harness Natural Daylight And Transform Your House Into A Gem

300+ window and door installations completed
25+ sidings upgraded
suburban house with blue siding, landscape, and interior lights on

Window and Doors by Window Depot of North Boston: Quality and Value

We spend so much of our time inside that we forget to just take a break and look around. Your windows provide you a view of the outside world from the comfort and safety of your home.

The right windows allow you to reconnect with the outside and bring much-needed natural light in. Bathe your bedroom in light to make mornings easier or enlarge your kitchen window to watch your kids while they play outside, all while enhancing and skyrocketing your house’s appeal.

We offer a wide range of colors and textures and we’ll help you find the right type of window to complement and elevate your home’s unique style.

Get in touch with us and let’s welcome light in your home together.

Increase The Safety Of Your House And Reduce Energy Costs

New windows do much more than just bring light and fresh air into your home. They provide safety and convenience where old and painted shut windows cannot; they work for you to help reduce energy bills, and provide peace and quiet from the sounds of the outside world.

At 12 Penny Exteriors, we can install any type of window your home needs and help you make the right decision, both in terms of style and functionality.

Installing new windows is not only a gift to your house but to you and your family as well. Let us help you enjoy every part of it. From door replacement to window replacement, we are the preferred choice in Chelmsford, Acton, MA and the surrounding areas.

suburban house entrance with wooden door, windows and plants

12 Penny Exteriors, Your Local Window Depot

12 Penny is now an authorized dealer for the 4th largest home improvement chain in America. This means you’ll receive unmatched value when it comes to curb appeal, decorative options, energy efficiency and price. Find out what this means for you and your family.

How It Works

Our simple process ensures that your needs are understood, your budget is under control, and that you’re always in the loop. You’ll be reassured knowing everything going on in your home.

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Get In Touch

Send us a few pictures of your space and describe your vision to improve it. We’ll get back to you for a phone consultation and to schedule an in-house consultation.

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We Get To Work

We get to work on your windows or doors using the best equipment and materials. You can relax knowing that your home is in trusted hands.

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Enjoy Your Home

Your new window or door upgrade is completed. Time for you to let light shine in and enjoy the view of nature from the comfort of your own home.

Window And Door Installation Prices

closeup of house window from the outside, with plants, curtains, and puppy looking outside

Basic Window Installation*


Includes 1-4 windows.

closeup of front white door in suburban house, with plants at the entrance

Basic Door Installation*


Includes installing one door.
vinyl window

Average Window Installation*


Includes installing up to 8 complete new windows.
suburban house with brick and big white windows and lanscape

High-End Window Installation*

$35k - 50k

Includes full-house window installation, with triple glazed and custom colored windows.

*Prices are averages and may change depending on the size of your window(s) and door(s) and your choice of products, materials, and finishes. You’ll receive an exact quote for your unique project after the in-house consultation.

Window And Door Installation Portfolio

We’ve put together a portfolio of projects to show you what's possible for your home. Browse it below to find your inspiration and get in touch with us to turn them into reality.

Homeowners Like You Say

Our happy customers are proof of the passion and dedication we put into our work. We are honored and humbled by their words and encouraged to keep aiming for perfection.

Tim M.

“We have used 12 Penny Exteriors for several remodeling/upgrade projects…from putting on a new expansive deck to rebuilding our interior foyer and most recently replacing all of the windows in our house.

Paul and his team are great to work with, they listen to what you are thinking, make solid recommendations and then work hard to make sure the outcome is what you are looking for.

When the job is done they are there for any questions and are super responsive.”

Susan S.

“Paul and his team were professional, conscientious and affordable. My husband and I were happy with their work and clean up.

They made sure nothing was left on the floor after demo to ensure safety. I have 2 young children so the cleanup was important because my kids are everywhere and usually barefooted. Dumpster was removed promptly.

No hassles, responsible team, work completed at reasonable price. Thanks guys!”

Linda M.

“I had my 3 bathrooms completely redone by Paul and his team.

Paul was responsive and answered all of my questions from day one through completion of the entire project. His crew was tidy and professional. They cleaned as they went and never left a mess at the end of the day.

My updated bathrooms are now the talk of my friends and family- they look beautiful and are a lot more functional.”

Give Your Home A Makeover With High-Quality Windows And Doors