Best Window Lock For Double Hung Windows In September 2026

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This guide comes with the top 10 Best Window Lock For Double Hung Windows available on the market. Therefore, if you are looking for the Best Window Lock For Double Hung Windows, you have everything you need here.

To help you in your search, we have completed this list of the Best Window Lock For Double Hung Windows.

Top Rated Best Window Lock For Double Hung Windows Of 2026

Rank	Product Name	Score
1	Defender Security U 9809 Vinyl Easy Installation to Keep Securely Closed – White Buy Now	9.7 Buy Now
2	Lion Locks Aluminum Sliding Door and Window Lock, Pack of 10 Buy Now	9.5 Buy Now
3	Maxdot Adjustable Sliding Window Locks Aluminum Alloy Window Door Frame Security Locks Buy Now	9.1 Buy Now
4	Prime-Line F 2744 Sash Lock, Single Unit, White – Diecast Construction, White Powder Buy Now	8.8 Buy Now
5	Window Wedge, Window Stopper to Baby Proof and Child Proof Providing Safety Buy Now	8.6 Buy Now
6	10 Pack - Designers Impressions 53706 Oil Rubbed Bronze Window Sash Lock Buy Now	8.3 Buy Now
7	Prime-Line F 2588 Sash Lock, Diecast Construction, White, Used on Vertical & Horizontal Buy Now	8.1 Buy Now
8	Andersen¨ Sash Lock & Keeper in Stone Color (1968 to Present) Buy Now	7.8 Buy Now
9	eSynic 4PCS Window Door Restrictor Lockable Child Baby Safety Security Double Hung Lock Buy Now	7.5 Buy Now
10	Prime-Line F 2653 Window Sash Lock, Spring Cam Action, Zinc Die-Cast With Antique Buy Now	7.2 Buy Now

1. Defender Security U 9809 Vinyl Easy Installation to Keep Securely Closed – White

• Add extra security use these sliding window locks to prevent unwanted intruders and avoid falling accidents keeping your windows closed when you want them the most secure! air and a breeze can get in, but no intruders.
• Securely lock windows these u 9809 sliding window locks for vinyl windows help keep them securely closed. the locks feature an adjustable jaw that has a vise-like grip, and they are capable of opening up to wide.
• For use on most vinyl windows these sliding window locks are for use on horizontal sliding windows and most vertical sliding (single hung) windows as a secondary window lock.
• Product info these sliding window locks have a diecast construction with a white painted finish and can fit most vinyl frame rail thicknesses ranging from 1/16 to .
• Each pack includes adjustable jaw that fits all vinyl frame rail thicknesses from 1/16" up to 1/2 in. thick. "vise like" grip holds securely and will not mar frame. allows window to lock in ventilating position, cam style locking lever, no tools required. this is for vinyl windows only.

2. Lion Locks Aluminum Sliding Door and Window Lock, Pack of 10

• Heavy-duty aluminum construction, inner vinyl lining prevents scratching damage
• These slider locks are perfect for patio doors, sliding glass doors, sliding windows etc.
• Easy installation with no tools required. utilizes double thumbscrews to mount on window or sliding door track.
• Additional gripping power securely locks window in closed or ventilating position
• These slider locks will fit along a track that is up to 3/16 inches wide. they will also fit without the rubber on a track that is up to 3/8 inches wide.

3. Maxdot Adjustable Sliding Window Locks Aluminum Alloy Window Door Frame Security Locks

• What you get: 4 x sliding window locks with key, note: multiple locks can be applied to heavy window or door together to increase safety
• Quality material: made of aluminum alloy, which is sturdy and strong, and there's a yellow plastic cover outside the key handle, can serve you a long time
• Apply to windows and doors: make sure the track heights more than 1.5 cm/ 0.6 inches, track thickness no more than 1.6 cm/ 0.63 inches, not applicable to the middle track of the window, please check your window track before buying
• Necessary items: open the screen window when the weather is hot in summer, which can improve air circulation, you can use the window locks to fix the screen window, it can prevent children from falling and prevent the thieves
• Double open design: compared to other window locks, this window locks adopt enhanced double open design, which obtain stronger friction force so that it can lock more solid for safer security

4. Prime-Line F 2744 Sash Lock, Single Unit, White – Diecast Construction, White Powder

• Built to last this prime-line sash lock is diecast constructed, creating a solid single unit built to withstand the test of time.
• Contemporary design the prime-line sash lock is powder coated with a white enamel finish, accentuating any window unit with a clean and fresh appearance.
• Prime-line grade we specialize in repair and replacement hardware products for your home. prime-line's commitment to quality results in repairs which look as good as the initial install, making us the go-to solution for our loyal customers.
• Versatile adaptability the single element sash lock can be used on both single and double hung vertical sliding windows, adapting to both wood and vinyl constructed frames.

5. Window Wedge, Window Stopper to Baby Proof and Child Proof Providing Safety

• Adjustable. works to secure double hung, single hung and horizontal sliding windows in place. simply place the wedge along the 8-inch loop strip to stop your window at the desired opening (note: for child safety, maximum window opening should not exceed 4 inches)
• In case of an emergency. the window wedge, unlike many other window stops on the market, is designed to be quickly removed from the inside of the window in case of an emergency.
• No tools needed! no screws. no nails. no damage. our new slip-resistant base and commercial quality hook and loop material attaches to window frame making installation unbelievably quick and easy.
• Made in america. cresci products manufactures, assembles and packages the window wedge in america. join cresci products in proudly supporting the american worker by purchasing this genuine american made product!
• Designed by a retired nypd detective. i can recall many incidents where i had to respond to cases where a child had fallen from an open window. this drove me to design, patent, and produce the window wedge.

6. 10 Pack - Designers Impressions 53706 Oil Rubbed Bronze Window Sash Lock

• High quality oil rubbed bronze finish
• Strike size: 3/4" x 2-1/2".
• Brand new : sold in a pack of 10
• Mounting screws included
• Crescent type : easy slide/turn design

7. Prime-Line F 2588 Sash Lock, Diecast Construction, White, Used on Vertical & Horizontal

• Diecast construction
• This sash lock can be used on horizontal and vertical sliding windows constructed of aluminum, wood and vinyl materials
• Baked-on white enamel finish
• This item has 2-1/16 in. mounting hole centers

8. Andersen¨ Sash Lock & Keeper in Stone Color (1968 to Present)

• This composite sash lock and keeper replaces previous vintage metal lock and keeper.
• The sash lock and keeper are flush mounted at the centered of the sash
• Works with 400 series tilt-wash double windows manufactured from 1994 to present.
• White sash lock and keeper is 1630029
• Works with perma-shield narroline double-hung (non-tilt) windows manufactured from 1968 to present.

9. eSynic 4PCS Window Door Restrictor Lockable Child Baby Safety Security Double Hung Lock

• Easy to installpackage including 16 self drilling screws and 4 release keys. just need a screwdriver or drill to install. it is simply fitted to most types of windows and doors, such as material of upvc, wood, aluminum and metal.
• Safety window door restrictorit is a simple safety device that limits the opening distance of the door or window. specifically designed not only for the safety of children or baby, but also discourages burglars and intruders, ideal for home, hospitals, hotels, shop, schools and commercial safety.
• 185mm adjustable distance designprovides a limited distance for the door or window open up to 185mm when the cable is in place. through using the key included, the cable can be removed from one end and the window can be opened fully.
• High quality materialour security lock is made from upvc, wood, aluminium & metal. restrictor cable is made of 304 stainless steel. durable and not easy to rust and damage. so that it can be able to withstand greater pressure.
• Wide applicationsnot only accessory for windows and doors, even for cabinet, drawer and any places you want to install to facilitate safe closing and opening.

10. Prime-Line F 2653 Window Sash Lock, Spring Cam Action, Zinc Die-Cast With Antique

• Zinc die cast design
• Used on double hung window by several manufacturers
• Note: verify dimensions against line drawing image before ordering
• Cam type lock with spring action cam
• Antique brass finish