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.

Read More
Proud Guild Quality Member

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

Read More

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

Unable to find GuildQuality account. Please verify that the profile url is valid.

Response code: 200
Please check that this widget Google Reviews has a Google Place ID set.

News and Events

Architizer A+ Awards Recognize Door, Window, Glass Companies

Several door and window companies are recipients of the 2017 Architizer A+ Awards that acknowledge and promote the year’s best architecture projects and products. Winners of the Building Products – Windows...
Read More >>

BUILDER Top Brands in 2017

Marvin Windows and Doors and Integrity Windows and Doors recognized as Top Brands in 2017. For the second year in a row BUILDER Magazine recognized Marvin Windows and Doors and Integrity Windows as top brands in...
Read More >>