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*The Angi rating for Egress Window Service companies in Lanark, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Egress Window Service needs.

*The HomeAdvisor rating for Egress Window Service companies in Lanark, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Egress Window Service needs.

Last update on July 28, 2026

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Avatar for Reliable Cutz Tree Service, Inc.
Reliable Cutz Tree Service, Inc.
4.9(
18
)
Egress Window - Install

Serving Lanark, IL and surrounding areas

In business since 2021

Free estimates

Credit card accepted

"Anthony and crew are the most professional, courteous, in the tree trimming business. The "Cutz Company" is the most honest, and reliable in the business. FIVE GOLD STAR RATING!"
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+40

Response time2 days
Recommended by88%of homeowners
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Avatar for First Line Construction & Masonry
First Line Construction & Masonry
0.5(
2
)
Egress Window - Install

Serving Lanark, IL and surrounding areas

In business since 1998

Free estimates

Emergency services offered

First Line Construction &Roofi is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Response time2 days
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Egress Windows questions, answered by experts

Adding windows to a house is expensive. Budget roughly $5,800 to add a single window, and double or triple that to add two or three. In some cases, adding a single window can exceed $20,000, depending on the type of exterior wall, the size of the window, the type of window, local permit costs, and other factors.

There are a range of egress window types available, including:

  • Single-hung: $100–$400

  • Double-hung: $250–$500

  • Horizontal/sliding: $150–$800

  • Casement: $200–$500

  • In-swing: $350–$700

When choosing a type of egress window, consider how you’d like to open it. For example, double-hung egress windows open from top to bottom and let plenty of fresh air in, whereas sliding windows slide open for easy access.  

New window installation costs range from $300 to $1,500 per window, depending on size, material, and energy efficiency features.

Egress windows are typically required for basements with habitable space or living quarters. Not all basements or lower levels require egress windows. However, egress windows are required in homes with living spaces such as bedrooms and living rooms in a basement. The International Residential Code and International Building Code require sleeping rooms to have a specific size egress window. Check your local building codes to confirm the requirements in your area.

The average cost to install an egress window is approximately $3,900, with a typical range between $2,500 and $5,300, though costs can be higher. The final price is influenced by several factors, including the window's size, type, material, and glass quality. Other variables include labor costs, location, excavation needs, and whether permits or a structural engineer consultation are required. The price of the window itself often depends on the number of panes:

  • Single-pane: $100–$400

  • Double-pane: $200–$500

  • Triple-pane: $300–$800

Additional features like window wells or covers will also increase the total project cost. It is advisable to obtain multiple quotes from professionals to get a comprehensive understanding of the expenses for your specific project.

The Lanark, IL homeowners’ guide to egress window services

From average costs to expert advice, get all the answers you need to get your job done.

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