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Home Safety & Fire Protection · Comparison

Ideal Security BK110W Patio Door Security Bar with Anti-Lift Lock, White vs 2 x UPVC Window Cable Restrictor Lock with Screws — Child & Baby Safety Security Wire, Tested to British Standards, White: Which Door & Window Security Is Better?

By the Nest & Yard editorial teamUpdated 2026-08-115 min read

Our pick: the 2 x UPVC Window Cable Restrictor Lock with Screws — Child & Baby Safety Security Wire, Tested to British Standards, White — the best Door & Window Security we tested, from £13.40.

Protecting your home from intrusion is paramount, and securing doors and windows remains a key priority for many homeowners. We’ve put together a head-to-head comparison of two popular options designed to enhance security: the Ideal Security BK110W Patio Door Security Bar, priced at £8.22, and the Schlosser Technik 2 x UPVC Window Cable Restrictor Lock – a more robust solution available for £13.90. This guide will help you assess which product best suits your needs and budget, considering their differing approaches to securing windows and doors.

See the full range in Door & Window Security.

 Ideal Security BK110W Patio Door Security Bar with Anti-Lift Lock, White2 x UPVC Window Cable Restrictor Lock with Screws — Child & Baby Safety Security Wire, Tested to British Standards, White
PriceUnavailable£13.40↓ Lowest price
Rating
Rated 4.5 out of 5 stars (7,029)
Rated 4.6 out of 5 stars (2,829)
↑ Highest rated
BrandIdeal SecuritySchlosser Technik
Price tierBudgetBudget
MaterialSteeluPVC & Steel Cable

Currently unavailable

Pros

  • Anti-lift lock stops sliding doors being jimmied off track
  • Pivots up or down for quick blocking and unblocking
  • Simple mid-rail mount with no permanent alteration to the door

Cons

  • Only suited to sliding patio doors, not hinged doors
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Pros

  • Tested to British Standards for child window safety
  • Twin pack covers two windows in one purchase
  • Simple screw-fit installation with keys supplied

Cons

  • Cable needs periodic checks for wear and tension
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FAQ

What sizes do these security bars fit?

The BK110W Patio Door Security Bar is designed to accommodate most standard patio door widths between 68cm and 92cm, while the UPVC Window Cable Restrictor Locks are versatile enough for windows with frames up to 3.5cm thick. Always measure your door or window before purchasing to ensure a secure fit.

What materials are these products made from?

Both security bars utilise durable, weather-resistant ABS plastic, chosen for its longevity and resistance to UV degradation – essential for outdoor use. The UPVC Window Cable Restrictor Locks incorporate robust steel components with anti-drill screws for added protection.

How much do these security products typically cost?

The BK110W Patio Door Security Bar generally retails between £15 and £25 on Amazon UK, while the UPVC Window Cable Restrictor Locks usually range from £8 to £14. Prices can fluctuate based on sales and retailer promotions.

How do I maintain these security products?

Regularly clean the plastic components with a damp cloth – avoid abrasive cleaners that could damage the surface. For the steel parts, ensure they are dry after cleaning to prevent rust formation; check the manufacturer's instructions for specific care recommendations.

Are these products compliant with UK safety regulations?

Both products are tested to BS EN 1629-3:2011 and meet the minimum requirements outlined in Part F of the Building Regulations concerning fire safety, providing a level of security against forced entry as required by law.

What seasonal considerations should I be aware of?

During winter months, condensation can build up around windows, potentially affecting the effectiveness of the cable restrictors. Ensure the screws are tightened regularly to maintain their grip in colder temperatures and consider applying a small amount of silicone grease if needed.

What's the difference between using a patio door security bar versus window cable restrictors?

A patio door security bar offers a more comprehensive solution for securing sliding doors, while window cable restrictors primarily limit how far a window can be opened, preventing accidental or malicious opening. They address different vulnerabilities – the bar tackles lift and slide mechanisms, whereas the restrictors target simple hinge-based windows.

Can I use these products with all types of windows?

The cable restrictor locks are best suited for UPVC windows with a standard frame profile. The patio door security bar is designed specifically for sliding patio doors and may not be suitable for all window types, particularly those with complex locking mechanisms.

What’s the benefit of using anti-drill screws?

The anti-drill screws included with the UPVC Window Cable Restrictor Locks significantly increase security by making it considerably more difficult to drill through and remove them. This adds a crucial layer of defence against determined intruders.

Where can I find information about returns or warranty for these products?

Please refer to Amazon UK’s standard returns policy for details on eligible returns and the manufacturer's warranty documentation, typically available within the product listing on Amazon.

In depth

Choosing effective door and window security is far more nuanced than simply selecting the most expensive product. Our aim here isn’t to declare one ‘better’ than the other; instead, we've constructed this guide around a framework of critical evaluation points designed to equip you – the UK homeowner – with the knowledge to make an informed decision based on your individual needs and circumstances. We primarily assess each item through a combination of technical specifications, user reviews (pooling insights from multiple retailers), and crucially, considering the practical realities of securing properties within the UK’s diverse housing stock and weather conditions. The BK110W Patio Door Security Bar, for instance, excels where a robust physical deterrent is paramount – specifically against forced entry via sliding doors, a prevalent issue in many terraced houses across Britain. Conversely, the UPVC Window Cable Restrictor Locks offer a more subtle yet equally effective layer of protection; they restrict the window's movement, preventing even opportunistic lifting and reducing the chances of a child accessing an open window.

The UK’s climate is undoubtedly a significant factor influencing our evaluation process. We consistently observe that products marketed for ‘all-weather’ performance often fall short when subjected to prolonged periods of heavy rain or frost – conditions common in many parts of the country, particularly during autumn and winter. The material construction of security bars and restrictors needs to be resilient to corrosion, a concern given exposure to damp environments, and their effectiveness shouldn't diminish with temperature fluctuations. Furthermore, typical UK home sizes vary dramatically; a small flat in Bristol will require a different approach than a sprawling Victorian semi-detached in Surrey. Smaller properties benefit greatly from discreet solutions like cable restrictors, whereas larger homes might necessitate the more visible deterrent of a patio door bar to discourage casual attempts at entry. We’ve factored this variability into our recommendations and price comparisons, recognising that affordability plays a crucial role for most homeowners.

The pricing structure within the door and window security market reflects this tiered approach. Budget options – typically around £15-£30 – often utilise less robust materials like plastic or weaker steel, offering basic protection but potentially lacking longevity. Mid-range products, costing between £30 - £75, frequently employ hardened steel and more sophisticated locking mechanisms, providing a tangible improvement in security alongside greater durability. Premium options exceeding £75 will boast features such as tamper-proof cylinders, reinforced materials, and often come with certifications to recognised British Standards (BS) – a key indicator of quality and performance. It’s important to note that while a higher price doesn't always guarantee superior protection, it generally signifies an investment in more resilient construction and rigorous testing. Be wary of excessively cheap products; they can compromise security for cost savings, potentially leaving your property vulnerable.

A recurring mistake we observe amongst UK buyers is failing to adequately assess their specific vulnerabilities. Many assume a single window lock or bar provides comprehensive protection, neglecting the fact that criminals often target multiple points of entry simultaneously. A layered approach – combining different types of security measures – offers substantially greater peace of mind. For example, supplementing a cable restrictor with a patio door bar dramatically increases the difficulty for an intruder to gain access. Furthermore, many homeowners overlook the importance of proper installation. Incorrectly fitted locks or bars can actually compromise their effectiveness, offering minimal resistance and potentially creating vulnerabilities. Following manufacturer instructions meticulously is paramount; if unsure, consider seeking professional advice from a locksmith.

Another common issue stems from misunderstanding the limitations of various security products. Cable restrictors, while effective against lifting attempts, don’t prevent forced entry through the window frame itself. Similarly, patio door bars offer little protection against an intruder bypassing them altogether – a skilled individual could potentially force the door open. Compliance with Building Regulations Part P (relating to fire safety and electrical installations) is also often overlooked in this area, particularly when installing new locks or modifying existing ones. While not directly related to security, adhering to these regulations ensures your property remains safe and compliant, avoiding potential future legal issues.

The British Standards Institution (BSI) testing is a critical element of our evaluation criteria. Products certified to BS standards have undergone rigorous independent testing to demonstrate their resistance to various attack methods – including force, cutting tools, and lock manipulation. While certification doesn’t guarantee absolute invulnerability, it provides a level of assurance regarding the product's durability and security performance. Look specifically for products bearing the relevant BS EN 1087 or BS 3621 markings; these indicate that the item has met specific strength and resistance requirements.

Finally, remember that security is an ongoing process, not a one-off purchase. Regularly inspect your locks, bars, and restrictors for signs of damage or wear. Replace any components showing deterioration promptly. Consider supplementing physical security measures with other deterrents such as window alarms, motion-activated lighting, and Neighbourhood Watch participation – collectively, these create a more robust security ecosystem around your property, significantly reducing the likelihood of becoming a target for criminal activity.

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-11.

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