Big L is celebrating 40 years of providing Western New York with the best window and door products available, and matching it with unbeatable quality service. See the video>>

Hassle-Free Financing Options

We make it easy to realize your dreams today! Big L offers a variety of great financing options including "same as cash" financing with no interest and no payments for one year.

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Proud Guild Quality Member

See what the Guild Quality Community is saying about Big L Windows and Doors.

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Welcome to Big L Windows & Doors

The Best in Windows and Doors for Buffalo and Western New York

If It’s a Window or Door, Our People Know More

Welcome to Big L Windows & Doors, your first choice for high quality Windows and Doors. Our extensive selection of cutting edge products deliver unmatched beauty and state-of-the-art performance for energy savings, reduced maintenance and a more comfortable home.

Big L Windows & Doors delivers a wide array of custom-made styles, decorative options, complementary trim selections and performance packages for a fully customizable solution to suit your individual needs.

At Big L Windows & Doors, we have a reputation for making a Big difference – a Big difference in sales, service, installation, and products.

Big L’s professional approach, highly trained staff, and affordable pricing will help take the stress and confusion out of your new project.

 

Customer Reviews

What our customers say
Donna H. in Orchard Park, NY
I was happy with the work and how quickly and efficiently that they took care everything.


View all feedback from Big L Windows & Doors

News and Events

6 Things Everyone Should Do When Moving Into a New House

When I bought my first house, my timing couldn't have been better: The house closing was two weeks before the lease was up on my apartment. That meant I could take my time packing and moving and I could get to know...
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How to Stop Cold Air Leaks in Winter

Steps: Install a door sweep along the bottom of exterior doors to block out cold air. Seal gaps between the door and side jambs with long pieces of weather stripping. Always engage the sash locks on...
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