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
Scott N. in East Amherst, NY
As you can see from our rating...we were very happy with Big L...from our first visit to the showroom to the completed job at our...


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News and Events

9 Easy Home Upgrades for March

Make Tax Time Easier Pull receipts, interest statements, and other crucial docs now to avoid future stress. Retire Storm Windows Cover and label them so you know which goes where, and store them...
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How to Build a Space-Saving Workshop

The Building where Stefani Bachetti, who does research for an industrial-design firm, used to work had housed a large shop outfitted with a table saw, an assembly bench, and a drill press. So Stefani decided if she...
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