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How Much Does it Cost to Install a Window Well Cover?

Window wells let homeowners bring light into their basement and protect foundation-level windows. Yet, as their name suggests, wells tend to collect water, leaves and other ground-level debris. They are also difficult to clean and prone to trapping unsuspecting critters.

National Install a Window Well Cover Costs

Cost data is based on actual project costs as reported by ImproveNet members.

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Average reported cost

based on 89 cost profiles


Minimum cost


Maximum cost

Most homeowners spent between:




National Install a Window Well Cover Costs
Average reported cost $590
Number of Cost Profiles 89 cost profiles
Minimum reported cost $100
Maximum reported cost $1,300
Most homeowners spent between: $410 to $675

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Durable well covers compensate for the inherent design flaws of window wells, ensuring they function without letting in moisture and other intrusions. Depending on the specifications of the window well, it may be wise to hire a landscaper or other professional to install your well cover.

Price Range

The average price of a window well cover is $734. Most people spend in the range of about $625 to $840, but the price can vary considerably. While the simplest and cheapest covers may cost just several hundred dollars, the most complex or unusual ones could cost as much as $1,300.

Major price factors include the size of the cover required and its construction material. The larger the cover that is needed, the higher the price. If you have a window well that is awkwardly shaped or poorly accessible, you may need a more expensive custom cover to ensure a tight fit. Well covers with special features are usually priced higher, too. Add-ons include items like angle support, molded ribbing, and trap doors for emergency basement exits.

Choosing the Material

Different cover materials carry different pricing. Costs must be balanced with your durability requirements. A flimsy plexiglass or acrylic cover, for instance, is more likely to shatter or fade under sustained exposure to the elements. It may not last as long as a pricier material that can withstand heat and cold, such as polycarbonate or reinforced steel.

The choice of cover material mainly depends on the purpose for which it is needed. Some people, for instance, want a cover design that matches their home or landscape's aesthetic. This could mean bypassing cheap plastic for the classier look provided by metals.

An aluminum, steel or other metal grate may offer a happy medium in terms of cost. Heavy duty metal can support someone — like a child or elderly adult — who may fall on it. It is ideal for safety, ventilation and deterring animals and burglars. However, grates with holes won't block moisture or provide insulation.

Last updated on Mar 31, 2016

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