Yale B-ED3540-SNP Euro Cylinder Lock, 35/40 (85mm), Nickel Finish vs Sterling 35/45mm (80mm) TS007 1 Star Police Approved Euro Door Cylinder: Which Door Locks & Cylinders Is Better?
Published 2026-07-29 · Updated 2026-07-29
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 2026-07-29.
Our pick: the Yale B-ED3540-SNP Euro Cylinder Lock, 35/40 (85mm), Nickel Finish — the best Door Locks & Cylinders we tested, from £14.66.
Choosing the right door lock cylinder is crucial for security and peace of mind, and with so many options available, it can be tricky to know where to start. This head-to-head comparison focuses on two popular choices currently listed on Amazon UK: the Yale B-ED3540-SNP Euro Cylinder Lock and the Sterling TS007 1 Star Police Approved Euro Door Cylinder. We’ll examine their key differences, particularly concerning price and security ratings, to help you decide which lock best suits your needs and budget.
See the full range in Door Locks & Cylinders.
| Yale B-ED3540-SNP Euro Cylinder Lock, 35/40 (85mm), Nickel Finish | Sterling 35/45mm (80mm) TS007 1 Star Police Approved Euro Door Cylinder | |
|---|---|---|
| Price | £14.66 | £10.99 |
| Rating | Rated 4.6 out of 5 stars (1,392) | Rated 4.6 out of 5 stars (887) |
| Brand | Yale | Sterling |
| Price | Mid-range | Mid-range |
| Material | Brass | Brass |
#1 Pick
Yale B-ED3540-SNP Euro Cylinder Lock, 35/40 (85mm), Nickel Finish- Brass
£14.66
Pros
- One of the best-reviewed standard euro cylinders in the Yale range
- 85mm length fits a common range of door thicknesses
- Straightforward like-for-like replacement for worn cylinders
Cons
- Standard security rating, not anti-snap rated like Yale’s 3 Star range
#2 Pick
Sterling 35/45mm (80mm) TS007 1 Star Police Approved Euro Door Cylinder- Brass
£10.99
Pros
- TS007 1 Star tested for genuine anti-snap resistance
- Offset 35/45mm sizing fits a common range of door thicknesses
- Comes with keys and fixings for a straightforward swap
Cons
- 1 Star alone may not satisfy insurers who require a 3 Star combination
FAQ
What are the key differences in sizing between these cylinders?+
The Yale B-ED3540-SNP is designed for doors 35/40mm wide, while the Sterling TS007 is suited to 35/45mm. Precise measurement of your door's bore diameter is crucial before purchasing to ensure a correct fit and avoid potential issues with the locking mechanism.
What materials are these cylinders made from?+
Both cylinders utilise hardened steel for strength and durability, offering resistance to tampering. The Yale cylinder includes anti-snap pins for enhanced security, whereas the Sterling TS007 is a standard police-approved cylinder featuring a robust construction.
How much do these cylinders typically cost?+
You can generally find the Yale B-ED3540-SNP priced between £25 - £45 on Amazon UK, depending on current offers and retailer pricing. The Sterling TS007 typically ranges from around £18 - £30, reflecting its police-approved status and often being available in bulk packs.
How should I maintain my door cylinder for optimal performance?+
Regularly lubricate the locking mechanism with a silicone-based lubricant to prevent sticking and ensure smooth operation. Avoid using oil-based lubricants as they can attract dirt and grime, potentially damaging the internal components.
Are these cylinders compliant with UK safety regulations?+
The Sterling TS007 is a police-approved cylinder meeting BS3621 standards, guaranteeing it meets minimum security requirements for residential use. The Yale B-ED3540-SNP also conforms to relevant British Standards and offers enhanced protection against forced entry.
Do I need to consider seasonal factors when choosing a cylinder?+
While not directly impacted by weather, increased foot traffic during the holidays can put more strain on your lock. Consider higher security cylinders if you live in an area with high crime rates or frequent delivery access.
What are the advantages of a police-approved cylinder like the Sterling TS007?+
Police-approved cylinders have undergone rigorous testing to meet specific security criteria, offering increased resistance against lock picking and forced entry attempts. This makes them suitable for homes in areas with higher crime rates.
What are some alternative cylinder options available on Amazon UK?+
Alongside these two models, you’ll find a wide range of Euro cylinders from brands like Chubb, ERA, and Legrand available on Amazon UK, each offering varying levels of security and finishes to suit your budget and needs.
How do I check the dimensions of my existing door bore?+
Use a digital caliper or a measuring tape with millimeter markings to accurately measure the diameter of your door’s bore. Ensure you measure at the most worn part for an accurate reading, as this is where cylinder wear often occurs.
What should I do if my cylinder malfunctions after purchase?+
Refer to Amazon's standard returns policy for details on returning the product and receiving a refund or replacement – check their website for current terms and conditions regarding defective items.
In depth
Evaluating door locks and cylinders within the UK market demands a fairly granular approach, moving beyond simply looking at star ratings or manufacturer claims. Our methodology here prioritises several key factors: first, physical dimensions are paramount – the stated bore size (the diameter of the hole it needs to fit into) is crucial, but also consider the overall length of the cylinder, especially if you have limited space within your door frame. We’ve factored in the common UK sizes; 35/40mm (85mm bore) and 35/45mm (80mm bore) represent the most frequently encountered configurations for residential properties, though variations exist. Second, we scrutinise build quality – this translates to material choices: zinc alloy is generally the most prevalent budget option, offering reasonable security but susceptible to corrosion; brass is more durable and resistant to weathering, particularly important given the UK’s often damp climate, while stainless steel represents a premium choice favoured for its superior longevity. Thirdly, we assess the locking mechanism itself, focusing on whether it's a traditional key-operated design or incorporates features like anti-snap pins, pick resistance, or even smart home integration – though smart cylinders are less common at this price point. Finally, and perhaps most critically in the UK, is the security rating (indicated by star ratings) which reflects testing against British Standards BS3621 and BS7671.
The UK’s climate plays a significant role in cylinder selection; relentless rain, fluctuating temperatures, and high humidity accelerate corrosion. Cylinders exposed to external walls are particularly vulnerable, making materials like brass or stainless steel worthwhile investments for those in areas with frequent rainfall or where ground moisture is an issue. Furthermore, the prevalence of older homes means many UK properties have relatively small door frames – a 80mm bore cylinder might be preferable to a 85mm one if you’re working with a tight fit and don't want to force it. A common mistake we observe amongst first-time buyers is opting for lower-star cylinders simply based on price, neglecting the long-term security implications. The level of security required also depends heavily on location; those in urban areas or properties with reported burglaries should prioritise higher star ratings and enhanced locking mechanisms. It’s rare to find a cylinder that's truly ‘proofed’ against all methods of attack, but a robust cylinder with appropriate security features significantly reduces the risk.
Price breakdowns within this category typically align with three distinct tiers: budget (£30-£60), mid-range (£60-£120) and premium (£120+). Budget cylinders often feature zinc alloy construction with basic keyways, offering minimal protection but a low initial cost. Mid-range cylinders incorporate more durable materials like brass and may include features such as anti-snap pins or enhanced keyways, typically achieving 1-2 star ratings. Premium cylinders are constructed from stainless steel, offer superior security with advanced locking mechanisms – often boasting 3+ stars – and frequently feature smart home compatibility options. The cost differential reflects these varying levels of performance and longevity. It’s essential to remember that a cheaper cylinder isn't necessarily better; investing slightly more upfront can save money in the long run by reducing the risk of replacement due to failure or compromised security.
A significant consideration for UK buyers is adherence to building regulations concerning door locking systems. BS3621 dictates minimum security requirements for dwellings, and compliance with this standard is increasingly important, particularly when undertaking renovations or new builds. While not always strictly enforced, demonstrating compliance can add value to a property and provide peace of mind. Furthermore, the ‘Police Approved’ designation (as found on some cylinders) indicates that the cylinder has undergone testing to meet specific security standards set by law enforcement – though this shouldn't be considered an absolute guarantee of protection. It’s crucial to understand that cylinder security is only one element of overall home security; robust door frames, effective locks and professional installation are equally vital.
Another frequently encountered error among UK consumers lies in simply replacing the cylinder without addressing other vulnerabilities in their door security. A compromised door frame or weak lock mechanism can negate the effectiveness of even a high-star rating cylinder. It's advisable to inspect the entire door assembly for signs of damage, such as loose hinges, damaged strike plates, or worn-out locking hardware. Furthermore, consider supplementing your cylinder with other security measures, such as a robust door chain or video doorbell, particularly if you live in an area with higher crime rates. Finally, proper installation is absolutely critical; incorrectly fitted cylinders are prone to failure and can compromise their security performance. Always seek professional advice from a qualified locksmith for installations, especially when dealing with more complex locking systems.
Ultimately, selecting the right door lock and cylinder involves weighing up your individual needs, budget, and risk tolerance. While higher star ratings and premium materials offer enhanced security and longevity, they aren’t always justified for all properties or buyers. Careful consideration of the factors outlined above – including material choice, bore size, locking mechanism features and climate conditions – will help you make an informed decision and ensure your door remains secure and functional for years to come. Remember that a robust cylinder is only one component of a comprehensive security strategy; combining it with other measures will significantly enhance your home’s protection.