Best Keyless Door Lock Under £150
Upgrading to a keyless door lock improves convenience and home security without breaking the bank. We have analysed specs, battery life, and real owner feedback to find the best models available for under £150.
Quick answer
The Yale Linus Smart Lock is our top pick under £150, offering reliable Z-Wave connectivity, a long battery life, and easy retrofit installation. For a budget-friendly option with built-in Wi-Fi, the Wyze Lock delivers excellent value and simple app control.
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Research updated June 2026.
Yale Linus Smart Lock
Reliable Z-Wave smart lock with great battery life.
| Product | Best For | Key Spec | Rating | Price |
|---|---|---|---|---|
| Yale Linus | Overall Reliability | Z-Wave, 12mo battery | 4.5/5 | Check |
| Wyze Lock | Budget Wi-Fi | Built-in Wi-Fi, retrofit | 4.3/5 | Check |
| August Wi-Fi (4th Gen) | Existing Deadbolt | Wi-Fi + Bluetooth | 4.4/5 | Check |
| Ultraloq U-Bolt Pro | Multiple Entry Modes | Fingerprint + keypad + app | 4.2/5 | Check |
| Kwikset 914 Z-Wave | Smart Home Integration | Z-Wave Plus, keypad | 4.0/5 | Check |
Yale Linus Smart Lock
Best OverallPros
- Excellent battery life reported by owners
- Simple retrofit installation on existing deadbolt
- Works with major Z-Wave hubs
Cons
- Requires separate Z-Wave hub
- No built-in keypad
The Yale Linus Smart Lock is a top seller for good reason. It fits over your existing deadbolt, meaning you keep your original key for backup. Owners consistently praise the battery life, often lasting over a year on a set of four AA batteries. The Z-Wave connectivity is rock solid, but you will need a compatible hub like Samsung SmartThings or Ring Alarm to use it remotely.
Build quality is typical Yale standard, with a robust metal construction. The companion app is straightforward for managing access codes and schedules. It lacks a built-in keypad or fingerprint reader, so you rely on your phone or a hub for keyless entry. For a reliable, no-fuss smart lock that just works, the Linus is hard to beat at this price point.
Wyze Lock
Best Budget Wi-FiPros
- Built-in Wi-Fi, no extra hub needed
- Very affordable price
- Easy app setup and control
Cons
- Battery life shorter than Z-Wave rivals
- Limited smart home integrations
The Wyze Lock is the best value pick for anyone wanting Wi-Fi control without extra hardware. It retrofits over your existing deadbolt in minutes. The Wyze app is clean and responsive, offering remote lock/unlock, scheduling, and guest access. Many owners find the battery lasts around 6 months, which is acceptable given the price.
Build quality is plastic, but it feels sturdy enough for daily use. It does not support Apple HomeKit or Z-Wave, so integration is limited to the Wyze ecosystem and Alexa/Google Assistant. If you are looking for an inexpensive way to add keyless entry and remote control, the Wyze Lock delivers excellent functionality for the cost.
August Wi-Fi Smart Lock (4th Gen)
Best for Existing DeadboltsPros
- Auto-unlock feature works well
- Built-in Wi-Fi, no extra hub
- Compact design fits most deadbolts
Cons
- Battery life is average
- App can be slow to respond
The August Wi-Fi Smart Lock (4th Gen) is a sleek retrofit option that keeps your existing deadbolt and exterior key. It is known for its reliable auto-unlock feature, which uses geofencing to unlock the door as you approach. The built-in Wi-Fi means you can control it from anywhere without a separate hub. Owners appreciate the simple installation and the fact that the lock does not change the outside appearance of their door.
Battery life is typically 3-6 months, which is shorter than the Yale Linus. The app interface is polished but can occasionally lag when connecting. It works with Alexa, Google Assistant, and Apple HomeKit, making it a versatile choice for smart home users. For those who want a discreet smart lock with strong auto-unlock performance, the August is a solid contender.
Ultraloq U-Bolt Pro
Best Multiple Entry ModesPros
- Fingerprint sensor is fast and accurate
- Multiple entry options (fingerprint, keypad, app, key)
- Solid build with metal construction
Cons
- Requires bridge for remote Wi-Fi access
- Installation is more involved than retrofit models
The Ultraloq U-Bolt Pro stands out for offering fingerprint, keypad, app, and traditional key entry all in one unit. The fingerprint sensor is one of the fastest in this price range, making entry very convenient. It replaces your entire deadbolt, so installation takes a bit longer than retrofit models, but the instructions are clear. Owners report the keypad is backlit and easy to use in the dark.
For remote access, you need to buy the separate Wi-Fi bridge, which adds cost. Without it, you are limited to Bluetooth range. Battery life is around 6 months with regular use. The build quality is robust, with a metal body that feels premium. If you want the flexibility of multiple unlocking methods and do not mind a full deadbolt replacement, the U-Bolt Pro is a strong choice.
Kwikset 914 Z-Wave Smart Lock
Best Smart Home IntegrationPros
- Z-Wave Plus for reliable smart home integration
- Includes a backlit keypad
- SmartKey re-key feature
Cons
- Requires Z-Wave hub
- App interface is basic
The Kwikset 914 is a full deadbolt replacement that combines a physical keypad with Z-Wave Plus connectivity. It is designed for users who want a reliable smart home lock that integrates with hubs like SmartThings, Wink, or Ring. The keypad is responsive and backlit, and the SmartKey feature lets you re-key the lock yourself if needed. Owners appreciate the solid feel and consistent performance.
Battery life is average, typically lasting 6-9 months depending on usage. The Z-Wave range is excellent, ensuring reliable communication with your hub. The main drawback is that the companion app is not as polished as competitors, and there is no built-in Wi-Fi. For those with a Z-Wave hub who want a traditional keypad lock with smart features, the Kwikset 914 is a dependable option.
What to check before buying a keyless door lock
Before purchasing, verify your door's backset and cross bore size. Most smart locks fit standard US and UK doors, but some require a specific deadbolt size. Check if the lock is a retrofit (fits over your existing deadbolt) or a full replacement. Retrofit models are easier to install but may not fit all deadbolt brands. Also, consider your smart home ecosystem. Z-Wave locks require a hub, while Wi-Fi locks connect directly to your router. Battery life varies significantly, with Z-Wave models often lasting longer than Wi-Fi ones.
Mistakes to avoid when choosing a smart lock
A common mistake is ignoring compatibility with your existing door hardware. Some locks only fit certain deadbolt sizes or require a specific latch type. Another mistake is overlooking the need for a hub. Many users buy a Z-Wave lock without a compatible hub and then cannot use remote features. Finally, do not underestimate battery life differences. A lock that needs new batteries every 2-3 months can become a nuisance. Always check owner reviews for real-world battery performance.
Keyless vs. traditional locks
Keyless door locks offer convenience by removing the need for physical keys. You can grant temporary access to guests and monitor entry logs. Traditional locks are simpler and never need batteries. For most users, a keyless lock with a backup key option provides the best balance of security and convenience. The models in this guide all include a physical key override for emergencies.
How battery life affects your choice
Battery life is a critical factor. Wi-Fi locks tend to consume more power because they maintain a constant connection. Z-Wave locks are more efficient, often lasting 6-12 months on a set of batteries. Look for locks that provide low-battery warnings in the app. Some models, like the Yale Linus, are known for exceptional battery longevity, which reduces maintenance hassle.
Security features to look for
All smart locks in this guide meet basic security standards. Look for features like auto-lock, tamper alerts, and encryption. Z-Wave locks use AES-128 encryption, which is a strong security standard. Wi-Fi locks also use encryption, but they are potentially more vulnerable to network attacks. Always use a strong Wi-Fi password and keep your lock's firmware updated. Physical security is also important; a solid metal construction is preferable to plastic.
FAQs
Can I install a keyless door lock myself?
Yes, most retrofit models install in under 15 minutes with just a screwdriver. Full replacement locks take a bit longer but are still DIY-friendly.
Do keyless locks work with smart home systems?
Many do. Z-Wave locks work with hubs like SmartThings and Ring. Wi-Fi locks work with Alexa and Google Assistant. Check compatibility before buying.
What happens if the battery dies?
Most locks have a low-battery warning. If the battery dies, you can use the physical key override or an external battery jump start on some models.
Are keyless door locks secure?
Yes, they use encryption and meet industry security standards. They are as secure as traditional locks when properly installed and maintained.
How long do the batteries last?
Battery life varies from 3 to 12 months depending on the lock type and usage. Z-Wave locks generally last longer than Wi-Fi locks.
Can I still use my regular key?
Most keyless locks include a physical key override. Retrofit models keep your existing key, while full replacements come with new keys.
Do I need a hub for remote access?
For Wi-Fi locks, no hub is needed. For Z-Wave locks, you need a compatible Z-Wave hub to control the lock remotely.
Will a smart lock fit my door?
Most fit standard doors with a 2 3/8 or 2 3/4 inch backset. Measure your door before buying to ensure compatibility.
Can I grant temporary access to guests?
Yes, most apps let you create temporary access codes or schedules for guests, cleaners, or service providers.
What is the warranty on these locks?
Warranties range from 1 to 2 years. Yale offers a 2-year warranty, while others offer 1 year. Check the manufacturer's policy.
Our verdict
For the best overall keyless door lock under £150, the Yale Linus Smart Lock offers unmatched battery life and reliable Z-Wave performance. If you want built-in Wi-Fi without a hub, the Wyze Lock is the best budget pick. Both provide excellent value and strong security for your home.