Best Front Door Locks UK: A Buyer's Guide for 2026
Your Front Door Lock Is the Most Important Security Decision You Make
Over 70% of burglaries in the UK involve entry through a door, and the front door is the single most targeted entry point. The lock on your front door is not a background detail - it is the primary barrier between your home and an intruder.
Despite this, most homeowners have no idea what lock is actually fitted to their front door, whether it meets any recognised standard, or what alternatives exist. This guide covers the locks worth buying in 2026, organised by door type.
Step 1: Identify Your Door Type
The right lock depends on your door. There are two main categories in UK homes:
uPVC or Composite Doors
These use a euro cylinder - the barrel-shaped lock that sits inside the door handle mechanism. The cylinder operates a multipoint locking system that engages hooks and bolts at multiple points along the door edge. Nearly all modern uPVC and composite doors use this setup.
Timber Doors
Traditional timber front doors typically use a mortice deadlock - a lock that is recessed (morticed) into the edge of the door, with a separate keyhole. Many timber doors also have a night latch (Yale-type rim lock) as a secondary lock.
Best Euro Cylinders for uPVC and Composite Doors
What Standards to Look For
- TS007 3-star - the BSI standard for cylinder resistance to snapping, picking, bumping, and drilling. This is the minimum you should accept.
- Sold Secure Diamond (SS312) - the highest physical security rating for a euro cylinder. Tested against real-world attack methods.
- Secured by Design - a police-backed accreditation for products that meet specific crime prevention standards.
A cylinder that carries any of these ratings provides genuine protection. A cylinder without any of them - typically the one your builder installed - does not. For more on why this matters for insurance, see our guide to BS3621 and insurance requirements.
Top Euro Cylinder Brands
Avocet ABS (Advanced Breakthrough Security)
The Avocet ABS is widely regarded as one of the best euro cylinders available in the UK. It holds TS007 3-star certification and Sold Secure Diamond approval. Its key feature is a snap-secure sacrificial section that breaks away under attack while keeping the internal mechanism protected.
- TS007 3-star and Sold Secure Diamond certified
- Anti-snap, anti-pick, anti-bump, anti-drill
- Restricted key profile (cannot be copied without the security card)
- Widely available through locksmiths
- Typical cost: £30-£50 for the cylinder
Ultion
Ultion has become one of the most recognised lock brands in the UK, partly through effective marketing and partly through genuine quality. The Ultion cylinder uses a “Lockdown Mode” - if an attack is detected, an internal mechanism activates that makes the lock even harder to manipulate.
- Sold Secure Diamond certified
- 11-pin internal mechanism (most cylinders use 5 or 6)
- Restricted key profile with security card
- Lifetime security guarantee
- Typical cost: £40-£70 for the cylinder
Yale Platinum
Yale is the most widely recognised lock brand in the UK. The Yale Platinum is their top-tier euro cylinder, offering TS007 3-star certification and a good balance of security and value.
- TS007 3-star certified
- Anti-snap, anti-pick, anti-bump, anti-drill
- More widely available than Avocet or Ultion (including some DIY shops)
- Not restricted key profile - copies can be cut at standard key cutters
- Typical cost: £20-£35 for the cylinder
Which One to Choose?
For maximum security and key control: Ultion or Avocet ABS. Both offer restricted keys and the highest security certifications.
For good security at a lower price, with easy key copying: Yale Platinum. It meets the standards that matter but does not restrict who can cut a copy.
For more on how vulnerable standard cylinders are, see our guide to lock snapping and how to prevent it.
Best Mortice Locks for Timber Doors
What Standards to Look For
- BS3621 - the British Standard for thief-resistant mortice locks. Most home insurance policies require this on all external timber doors.
Top Mortice Lock Brands
British Standard 5-Lever Deadlocks
Any BS3621-certified 5-lever mortice deadlock from a reputable manufacturer will provide the level of security your insurance requires. The key differences between brands at this level are build quality, key security, and longevity.
- ERA Fortress - solid, widely available, good value. BS3621 certified.
- Yale PM562 - higher quality internals, smooth action, BS3621 certified.
- Union 2134E - a premium option with excellent build quality and a strong reputation among locksmiths. BS3621 certified.
- Chubb 3G114E - Chubb’s main BS3621 deadlock, known for reliability and longevity.
Night Latches (Secondary Lock)
A mortice deadlock should be the primary lock on a timber front door. A night latch (rim lock) provides convenient day-to-day locking - you pull the door shut and it latches automatically. It should not be relied upon as the only lock, as rim locks are significantly easier to bypass than deadlocks.
The Yale 89 is the most common night latch in the UK. For higher security, the ERA Nightlatch or Ingersoll SC71 offer better build quality and more pick resistance.
How Much Does a Good Lock Cost (Fitted)?
| Lock Type | Part Cost | Fitting (labour) | Total |
|---|---|---|---|
| Anti-snap euro cylinder (TS007 3-star) | £20-£70 | From £69 | From £89 |
| BS3621 5-lever mortice deadlock | £25-£60 | From £69 | From £94 |
| Night latch (rim lock) | £15-£40 | From £69 | From £84 |
These are guide prices. The exact cost depends on the brand chosen and any modifications needed to the door. See our locksmith price list for current rates.
Common Mistakes When Buying Door Locks
- Choosing on price alone - a £10 euro cylinder from a hardware shop provides almost no security. The difference between a budget cylinder and a TS007 3-star is the difference between a lock that can be snapped in 10 seconds and one that resists sustained attack.
- Wrong cylinder size - euro cylinders come in specific lengths. A cylinder that is too long protrudes from the door and is easier to grip and snap. A cylinder that is too short will not operate the mechanism correctly.
- Ignoring the door itself - a high-security lock on a weak door or frame is undermined. If the door or frame is damaged, worn, or poorly fitted, address that first.
- Fitting a mortice lock to a uPVC door - mortice locks are designed for timber doors. uPVC and composite doors require euro cylinders. The two are not interchangeable.
City Locksmith London
We supply and fit all of the locks mentioned in this guide across London. If you are unsure which lock your door needs, we can assess it on site and recommend the right option. Our lock change service covers all door types. Get in touch for a quote.