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How Much Do New Windows Cost?

Window Replacement Prices

Replacing your old home windows with new modern windows won't just brighten up your home and prevent leaks. Replacement windows can lower your energy bills and under a new government program can even earn you a tax credit.

How Much Does it Cost to Install New Windows?

The cost to install a window can vary dramatically depending on the brand, materials and local labor costs.

  • Replacing a standard-sized window will cost, on average, $200 to $400 installed. You can get cheap vinyl windows for as little as $100 and high end windows or a custom window could cost up to $1,000 apiece installed.
  • A standard sized bay window costs around $2,000 to $4,000 installed. Odd sized or custom designed bay windows could cost $5,000 to $10,000.
  • A basement window costs approximately $100 to $500 installed.
  • A garden window costs an average of $1,000 to $2,000 and some garden windows could cost up to $4,000.
  • Storm windows are mounted on a window, either externally or internally. They are used in cold weather climates to improve a window's energy efficiency. A storm window is typically made of glass or plastic and can be mounted as a permanent or temporary fixture. They are often used in older homes to preserve the architectural integrity and are also a cheaper solution to replacement windows. They cost about a quarter of the price. Storm windows start at around $30 to $60 and can cost $150 to $300 or more. (read a brief overview of storm windows)
  • A rotted or damaged window frame may need to be repaired before installing a new window.
  • Double or triple-paned windows and those filled with argon gas deliver greater energy efficiency but are more expensive.
  • If you buy at a big box store you may be paying extra for a salesperson's commission, which will raise the price by as much as 30%.
  • You could save some money by purchasing and installing new windows yourself, or else buy them and pay a local handyman for window installation. However, if you hire a handyman as a window installer, make sure they have experience, as improperly installed windows can cause many problems.
  • This Old House provides step by step instructions on installing replacement windows.
  • You may be able to remedy a broken or leaky window by repairing it instead of replacing it.
  • Shopping for new windows?

  • Readers answers some frequently asked questions about buying new windows.
  • For all things windows, have a look at This Old
  • has a huge collection of articles on window design and ideas.
  • Buying and installing new, energy-efficient windows in your home could earn a tax credit up to $1,500. For more details, visit