How Much Should You Budget For A New Skylight?

Installing a skylight can transform a room by adding natural light and enhancing the overall atmosphere of your space. However, the decision to install a skylight involves various factors, including types, installation complexities, and, importantly, cost. If you’re interested in installing skylight, we’ve done some research to help you understand roughly how much it costs to install a roof window.

Cost Of Adding A Skylight


Skylights are typically made from plastic or glass, with each material offering different benefits and cost implications:

  • Plastic Skylights: Generally cheaper, plastic skylights are often made from acrylic or polycarbonate materials. They are less prone to breaking but can become discolored over time. The cost for plastic skylights can range from $100 to $600 depending on size and quality.
  • Glass Skylights: These are more expensive but offer better clarity, durability, and resistance to discoloration. Glass skylights often feature enhancements such as tempering, laminating, or low-emissivity (low-E) coatings that improve energy efficiency. Prices for glass skylights can range from $150 to over $1,500.


The size of the skylight significantly affects the cost. Larger skylights require more materials and more labor to install, which increases the overall price:

  • Small Skylights (e.g., 16” x 16”): These are less expensive and may cost between $150 and $500 for the unit alone.
  • Medium Skylights (e.g., 24” x 48”): Medium-sized skylights can cost between $500 and $2,000.
  • Large Skylights (e.g., 48” x 48” and larger): These are typically used in commercial settings or large residential areas and can cost $1,000 to $3,500 or more.

Installation Complexity

Installation costs can vary based on how easy or difficult it is to integrate the skylight into your existing roofing. Complex installations that require significant structural modifications will be at the higher end of the cost spectrum. Additionally, the type of roof (flat vs. sloped), the roofing material, and the need for custom framing can all impact installation costs.

Popular Skylights on the Market

Some well-known brands in the skylight industry include:

  • Velux: Known for high-quality and durable skylights, Velux offers a range of products including fixed, vented, and solar-powered skylights. Their products often come with advanced features like remote control operation and built-in blinds.
  • Fakro: Fakro is another popular brand offering a variety of skylight designs, including flat and domed options. They are particularly noted for their energy-efficient designs.
  • Vtech Skylights: Specializing in hurricane-resistant skylights, Vtech provides products that are built to withstand extreme weather conditions, making them ideal for areas prone to hurricanes.

Average Total Cost

On average, homeowners spend between $900 and $2,500 to have a skylight installed, with most of the cost going towards labor and structural modifications.

Using a Skylight Price Calculator

  1. Homewyse: This site provides customizable cost calculators for various home improvement projects, including skylight installation. You can enter details such as zip code, project size, and options to get tailored cost estimates. The calculator considers local material and labor costs to offer a more precise figure. You can find the skylight calculator on their website under the specific project type (e.g., framing a skylight opening)​​.
  2. Remodeling Calculator: This tool offers a detailed breakdown of costs for different types of skylights, including fixed, vented, and solar-powered options. It provides average prices for standard sizes and enhancements like motorized or solar-powered models, allowing users to get a comprehensive view of potential expenses.
  3. KompareIt: This website features a free skylight installation cost calculator that prompts you to fill out a form to receive competitive pricing from pre-screened window companies. It helps you gauge the average cost based on your location and the specifics of the skylight you wish to install, including features like manual or electronic operation and additional accessories like mini blinds​.
  4. Costimates: Another useful resource where you can calculate the cost based on skylight size, features, and installation complexities. It lists detailed prices for different dimensions and types of skylights, offering a broad price range that helps in budgeting according to your needs​.

How To Buy Cheap Skylight

Manufacturer Promotions

Companies like VELUX frequently offer promotions on their skylights, shades, and accessories. These promotions might include discounts on specific products or bundled deals that provide significant savings on a combination of items such as skylights and blinds. For example, VELUX has been known to offer seasonal promotions, like a 20% discount on skylight shades during specific months. It’s beneficial to regularly check their website or sign up for newsletters to stay updated on current offers​.

Government Incentives

Several government programs provide financial incentives for installing energy-efficient skylights:

  1. Federal Tax Credits: The ENERGY STAR program offers a tax credit for installing ENERGY STAR certified skylights. This tax credit is worth 30% of the product cost, up to a maximum of $600. This incentive is available for products installed in your primary residence from January 1, 2023, to December 31, 2032​​.
  2. Local Rebates: Programs like Mass Save offer rebates for upgrading to ENERGY STAR certified windows and skylights. For instance, you could save $75 per window when upgrading from single-pane windows to models that meet the “Most Efficient” criteria. Additional incentives, such as 0% financing on energy efficiency upgrades, are also available through such programs, particularly beneficial for residents of Massachusetts​.

Seniors and Additional Discounts

While specific skylight discounts directly targeting seniors weren’t identified in the current incentives, seniors can benefit from general energy-efficient upgrade programs that might include skylight installations. It’s advisable for seniors or their caregivers to consult local senior citizen resource centers or community programs, as these may have information on additional rebates or financial assistance available for home modifications, including skylight installations.