10 Best Window Grills Security in The UK

Last updated on 12/08/2025

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Lockable Window Grills Security Retractable Bars 90 100 110 120 130 140 Cm Height, Heavy Duty Interior Window Security Grilles Folding, Emergency Escape Window Fence(White,Wxh 120x90cm)

Why We Love It

Customisable to fit any window.
Innovative fold design maximizes light.
Durable aluminum ensures long-lasting security.

Main Highlights

Customisable Windows : We understand that every home has window and door sizes, which is why we offer customisable solutions for our Horizontal Sliding Window Guard Fence. Our standard size specifications are given as width x height, but if you need a size that is not in our list, simply let us know the dimensions of your window opening
Telescoping Push-Pull Fold Design : As a key feature of our Foldable Prevent Burglary Window, the telescoping push-pull fold design combines functionality and space efficiency seamlessly. The innovative telescopic folding mechanism allows for a large opening area, enabling an abundance of natural light to flood into the room without any obstruction from a central window frame
Secure Locking Mechanism with Keys: Our folding anti-burglar window is fitted with a locking system supplied with keys. This design ensures quick unlocking in emergencies such as fires, providing a vital escape route while maintaining secure closure during everyday use. The lock’s sturdy construction prevents children or pets from accidentally falling out of an open window and deters unauthorised external access, offering comprehensive home security
Aluminum Window Guard : Constructed from high-quality aluminum alloy, our Retractable Theft Resistant Window features window security bars that are both lightweight and highly durable. The aluminum material offers superior impact resistance, ensuring that the window guard can withstand the test of time. It is also resistant to rust and deformation, making it an ideal choice for long-term outdoor use
Versatile Usage : Our Window Security Grille is designed to be versatile and suitable for a wide range of environments. Whether you need it for children's rooms, attics, luggage storage areas, hotel rooms, rental apartments, dormitories, bedrooms, offices, basements, garages, stairwell windows, sheds, or any other space, this portable safety window guard is the perfect solution

ENHEN White Window Security Locks Burglar Screen, Windows Safety Bars Interior Prevents Accidental Falls Cover, Front Doors Aluminum Collapsible Gate(40x64in/102x163cm)

31% Off

Why We Love It

Foldable design saves valuable space.
Enhanced security for peace of mind.
Durable aluminum withstands harsh conditions.

Main Highlights

【 Foldable Design 】: With our innovative telescopic and modular system, sliding egress window bars fold to one side when not in use to save space. When fully closed, the distance between the bars is 11 cm (4 3/10 inch), which does not affect ventilation and light entry
【 Double Lock with Keys 】: With key locks on both sides of the window barricade, you can always open the window to escape in an emergency. It also prevents children or pets from accidentally falling through the open window. Even in deep sleep, you can rest assured to prevent burglary
【 All-aluminum Frame 】: The folding burglar bars are made of sturdy and stable aluminum alloy, it can withstand hurricane attacks. Surface painting, waterproof and rustproof, ensuring that they are designed to withstand the elements and last for years to come
【 Simple installation 】: The security grille package includes all necessary mounting accessories, and can be completed in a glass of water. If you encounter any problems, you can contact us, and we provide the most professional technical support
【 Versatile Usage 】: Sliding safety window guardrail are suitable for children's rooms, attics, luggage storage, hotel rooms, rental apartments, dormitories, bedrooms, offices, basements, garages, stairwell windows and sheds, reliable to prevent accidents

Expandable Window Security Barricade, Burglary Prevention for Glass Doors and Windows, Lockable Outdoor Safety Grill

Why We Love It

Durable and lightweight construction.
Innovative space-saving design.
Enhanced safety for peace of mind.

Main Highlights

Durable Aluminum Construction: Crafted from high-quality aluminum alloy, these window guards are lightweight yet offer superior impact resistance. Their rust-proof and deformation-resistant properties ensure longevity, making them ideal for outdoor use over many years.
Innovative Foldable Design: Featuring a push-pull folding mechanism, these window bars expand to cover large areas without obstructing views or light. The absence of a central frame maximizes sunlight entry and saves space when not in use.
Enhanced Safety Features: Designed with security in mind, the lock mechanism addresses both safety and emergency needs. The strategically spaced bars prevent intrusions while ensuring no compromise on internal visibility.
Simple Installation and Maintenance: Comes complete with all necessary installation accessories for a quick and hassle-free setup. The fully openable sash design allows for effortless window cleaning, maintaining both functionality and aesthetics.
Versatile Application: Suitable for a wide range of settings including homes, schools, offices, shops, and public buildings. These window guards provide security without sacrificing style, making them a perfect fit for various architectural needs.

Window Security Bars, Fairy Baby French Balcony Railing Indoor Window Grille Balustrades Window Guard Rail Window Bars Window Protection for Children (36.22 "-61.42", White)

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Why We Love It

Ensures child safety from falls.
Smooth, burr-free finish.
No-damage, easy installation.

Main Highlights

✔【Baby's Safety and Protection】Sturdy window bars, install inside of window or balcony, keep children from falling out of window. Every family should give their baby a safe environment.
✔【Exquisite Workmanship】The workmanship of the window guard Rail is exquisite and delicate. The surface after the painting is smooth and free of burrs, which can prevent the baby from being scratched.
✔【Easy to Install】Installing this safety window guardrail does not need to open holes, pressure mounted, no damage to window frame, easy install and remove. Window Grille Balustrades can be installed horizontally, vertically, or combinedly.
✔【Uses and Installation Place】 Effectively lock windows to prevent children from playing and opening windows / balconies to fall and cause danger! Child Safety Guards for balcony, sliding windows, bay window, floor-to-ceiling window, etc.
✔【Satisfaction Guarantee】Thank you for choosing our products-child safety window guards. If you are unsatisfied after receiving the goods, please contact us and we will give you a satisfactory solution.

Avonstar Classics Range

Window Security Bars pk of 6 (Round Adjustable Window Bars pk of 6)

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Why We Love It

Stylish design enhances home appearance.
Adjustable fit for versatile use.
Improved security for peace of mind.

Main Highlights

Pack of 6 bars Mild steel powder coated in white
Adjustable to fit between 710mm to 1200mm (tube diameters are 20mm inner , 25mm outer)
Our hardware is robust, elegantly designed and handmade by engineers to make a dynamic impact on your home's overall appearance with four unique styles and a diverse range of hardware to choose from, your home can be as unique as you want it to be
With the affordable, reliable, and easy to use security bars your residence will be more resistant to forced entry and will greatly enhance home safety
All fixings included (one way security screws) No. 10 Clutch screws 1 1/4 inch countersunk zinc

Avonstar Classics Range

Avonstar Classics Range Square Security Window Bars pack of 6 adjustable

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Why We Love It

Elegant robust design.
Easy to install.
Adjustable for perfect fit.

Main Highlights

Secure your home with style and strength. The Avonstar Classics Range Adjustable Round Window Security Bars are the perfect blend of security, adjustability, and premium quality craftsmanship – ideal for homeowners, landlords, and businesses looking to protect their windows. 🇬🇧 Made in the UK: Proudly manufactured by Avonstar, a trusted name in British metalwork – ensuring superior quality, precision engineering, and long-lasting reliability
🔒 Ultimate Home Security: Constructed from heavy-duty powder-coated steel, these robust window bars provide an extra layer of physical security against intruders, offering peace of mind day and night.
📏 Fully Adjustable Design: Designed to fit a wide range of windows, these bars feature a smart telescopic system that allows for a custom fit without complex installation.
🧰 Easy DIY Installation: No need for costly contractors – our window bars are simple to install with basic tools, making them perfect for homeowners and DIYers alike
Adjustable to fit between 710mm to 1200mm (tube diameters are 20mm inner , 25mm outer). The bars are 25 mm sq 1.5 wall thickness and the inner is 20 mm sq 1.5 wall thickness.
Fixing plates are 60 x 30 x 5mm. Fixings included (one way security screws). No. 10 Clutch screws 1 1/4 inch countersunk zinc.

Prime-Line S 4764 Fixed Window Guard – 4-Bar Window Guard Prevents Accidental Falls and Adds Child Safety Measures to Windows (23-1/2 in. - 40 in. x 21-3/8 in., White Steel, Non-Egress)

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Why We Love It

Prevents accidental falls effectively.
Adjustable for various window sizes.
Enhances child safety measures significantly.

Main Highlights

INCLUDES – (1) Fully adjustable (prior to fastening) 23-1/2” – 40” x 21-3/8” white steel fixed window guard; complete with one-way installation screws. Fabricated of .048 thick, plain carbon steel square tubing with 3-7/8” bar spacing.
PREVENT ACCIDENTAL FALLS – This steel fixed window guard can be used to prevent children and others from accidental falls through open windows. It does not meet egress, and should not be used in bedrooms or sleeping areas where no other emergency exit window is accessible.
ADDITIONAL CHILD SAFETY MEASURES – This 4-bar fixed window guard prevent falls from high-rise buildings, apartments or two-story homes. It provides additional child safety measures so you can rest easy.
ADJUSTABLE WIDTH – Use this window guard on a variety of window sizes – the width adjusts for 23-1/2” to 40” wide windows and has a fixed height of 21-3/8”.
NON-EGRESS – This is a non-egress fixed window guard, meaning that once it’s been installed it cannot be easily removed in the event of emergency. For windows requiring emergency access capabilities, please use appropriate hinged version of these window guards, like Prime-Line’s model number S 4779.

Avonstar Classics Range

Window Security Bars pk of 6 (Budget Small)

Why We Love It

British made for quality assurance.
Adjustable for various window sizes.
Includes security screws for safety.

Main Highlights

NOW SUPPLIED WITH ONE WAY SECURITY SCREWS British made window bars pack of 6 with all fixings supplied
Pack of 6 Mild Steel Bars Powder coated white 100% British made using locally sourced raw materials
Adjustable to fit between 580mm to 860mm (tube diameters are 20mm inner , 25mm outer)
Designed & handmade by engineers Mild steel powder coated
No. 10 Clutch screws 1 1/4 inch countersunk zinc

Segal S 4767 Carbon Steel Fixed 4-Bar Window Grill for Home Security and Child Safety, 21-1/4 in., Black Black (1 Set)

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Why We Love It

Prevents accidental window falls.
Adjustable telescoping width.
Meets strict safety codes.

Main Highlights

SECURITY GRATE – Constructed of 0.048 inch thick, black carbon steel square tubing, this fixed window guard assists in preventing children from accidental falls through open windows; it features 3-7/8 inch bar spacing on center
NON-EGRESS WINDOW BARS – This non-egress fixed guard cannot be opened or quickly removed in case of emergency; for windows requiring emergency access capabilities, please use appropriate hinged version of these window guards
INSTALLATION – This window security bar features a fully adjustable telescoping width (prior to mounting) from 32-1/2 inch to 54 inch, and it comes complete with one-way, tamper-proof installation screws; designed for interior use only
MEETS BUILDING CODES – This window grille meets New York City and New Jersey’s housing codes, and it was approved by the New York City Department of Health and Mental Hygiene, HDWG #04-09-2011
NOTE – Please refer to the line art drawing for all dimensional information and compare with your needs before purchasing

Avonstar Classics Range

Window Security Bars Offset (Round)

Why We Love It

British made for quality assurance.
Adjustable for versatile fitting options.
Durable finish for indoor and outdoor.

Main Highlights

British Made Offset Window Security Bars
Adjustable to fit between 710mm to 1200mm Robust and easy to fit
Simply screw into position using the supplied anti-tamper clutch screws
Can be used both indoor and outdoor thanks to the durable powder coat finish

9.0

Superb

We scanned 657 products

We reviewed these offers relevant to the Window Grills Security within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Generic, ENHEN, Fairy Baby, Avonstar Classics Range, Segal, Defender Security, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Window Grills Security in the market, we considered we took a deep dive into 3286 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Lockable Window Grills Security Retractable Bars 90 100 110 120 130 140 Cm Height, Heavy Duty Interior Window Security Grilles Folding, Emergency Escape Window Fence(White,Wxh 120x90cm). We love many things about this product by Generic. What sets it apart from the competition is Customisable to fit any window. , Innovative fold design maximizes light. , Durable aluminum ensures long-lasting security. .
The best value product for most shoppers and where user satisfaction is continuously the highest is ENHEN White Window Security Locks Burglar Screen, Windows Safety Bars Interior Prevents Accidental Falls Cover, Front Doors Aluminum Collapsible Gate(40x64in/102x163cm) by ENHEN based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Window Grills Security and the best cost-to-value ratio is ENHEN White Window Security Locks Burglar Screen, Windows Safety Bars Interior Prevents Accidental Falls Cover, Front Doors Aluminum Collapsible Gate(40x64in/102x163cm)at ENHEN with a 31% discount.
Our list of the best Window Grills Security is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Window Grills Security in The UK

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We scanned 657 products

We concluded that: