Window Expansions For Your San Antonio Home

Whether you want to make your current windows larger or replace them with different window types, transform your space with custom-fit windows and expert installation.

Contact Southwest Exteriors today to schedule a commitment-free consultation with a trusted San Antonio window and door specialist since 1989.

Schedule Your Free Consultation Our Work

Custom Replacement Windows with Expert Installation

Expanding your windows or simply transforming them into a new opening shouldn't have to be stressful. With Southwest Exteriors, our expert design consultants will help guide you to the right products and services for your home, whether that includes us or not.

Our high-quality windows from Marvin, ProVia, Anlin and more offer exceptional quality and style, with various window types like

Single and Double-Hung
Casement
Awning
Slider
Bay and Bow
Picture
Speciality Shapes

Choose the best window type to fit your space and customize it to fit you. With Southwest Exteriors, converting your door into a window is a breeze.

Schedule Your Free Consultation Our Work

What We Do And Don't Do

Expanding your windows consists of many different steps. Here are things we do and don't do that we would like you to be aware of before starting your project.

What We Do

-Full window removal

-Frame and header construction

-Window installation

-Trim, sheetrock and siding repair

What We Don't Do

-Electrical

-Plumbing

View Our Work

Check out some of these window transformations we've completed and gather inspiration for your home.

Before

After

Before

After

Before

After

Window Expansions and Conversions

Transform Your Home With New Windows From Southwest Exteriors

What Can You Expect?

1. Quick Contact: Expect a call or text shortly after completing this form during business hours (M-F 8a-8p, Sat 9a-3p), or by 9a the next day otherwise. No spam, guaranteed.

Easily add us to your contacts via the QR code above or recognize our calls without hassle by adding us to your contact 210.301.1183

2. Project Discussion: We'll discuss your home improvement needs and suggest suitable steps forward. If we're not the best fit, we'll recommend alternatives.

3. Consultation Timing: Confirm a no-pressure, flexible consultation at a time that suits you, including weekends.

Our Promise:
Experience zero sales pressure. We give you space to make the best decision for your home without rushed offers.

Fill out the form and let's get started on creating the home you've always wanted!