Exterior Solutions you’ll love coming home to

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Welcome! we’re 12 penny

12 Penny Exteriors, Inc, your Local Window Depot, is an exterior remodeler based in Westford, MA. Specializing in windows, doors, and siding, we listen to your needs and help you find the best products for your project. No pushy sales tactics, ever.

After more than 30 years building, repairing, and improving homes in New England, we know that quality products and a job done right are the bottom line for any home improvement project.  Experience, Knowledge and Integrity go into everything we do.

We Can Improve Your Home’s Exterior With:

Provia Windows


Whether you are looking for a new vinyl window or a wood-clad window, or something else entirely, you can trust that we’ll help you find the best choice for you and your home.

Provia Windows


Nothing says “Hello” like a beautiful Entry door. From Entry doors to patio doors, we offer the highest quality Provia® products with unsurpassed attention to details.

Provia Windows


Your siding is the first protection your home has against what Mother Nature can throw at it. Shouldn’t it be ready to take Her on? We offer many siding choices including vinyl, wood, and Fiber Cement.

The 12 Penny Process

You will know exactly what to expect when you invite 12 Penny Exteriors, Inc. into your home. We pride ourselves on not being pushy, salesy-salespeople and want to respect your valuable time.



Meet with a 12 Penny consultant, discuss your goals and the unique needs of your project.

60-90 minutes, in-home



Review our proposal, ask any questions, make changes if needed.

30-60 minutes, in-home



Agreement is signed, final measurements are taken, and initial investment is collected.


Products are custom ordered for your project.

Wait times vary by product.


Installation is scheduled once products are ready. In most cases it takes less than a week to complete the work in your home.

We work where you live.

We are based in Westford, MA, and serve Tyngsborough, Acton, Concord, and beyond.  See some of the projects we’ve completed recently in your area.


There are many good companies out there and we think you should look for ones who care about their customers, put their client’s needs first, and stand behind everything they do. We started 12 Penny Exteriors with those intentions in mind.

We work where you live

12 Penny Exteriors, Inc, your local Window Depot, improves the windows, doors, and siding for our neighbors in Westford, Tyngsborough, Acton, Concord, and beyond.

12 Penny Exteriors, Inc.

your local WINDOW DEPOT
301 Littleton Rd. #989
Westford, MA 01886


(978) 654-0275


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© 2023  12 Penny Exteriors, Inc.