30-Second Verdict
| My rating | 7.8/10 |
| Amazon UK rating | 3.7/5 (140+ reviews) |
| Price | £28.55 |
| No drilling? | ✅ Yes |
| Fingerprint? | ✅ Yes |
| Auto-lock? | ✅ Yes (10-99 seconds) |
| User capacity | 50 fingerprints + 50 codes |
| Weatherproof | ✅ IP55 (UK rain approved) |
| Emergency charging | ✅ USB-C port |
| Best for | UK renters on an ultra-budget who want fingerprint access |
| Not for | People who want app control or built-in WiFi |
Are smart locks worth buying? Yes, if you lose keys often. The Solity smart lock is one of the cheapest fingerprint locks on Amazon UK. This Solity Smart Lock Review UK tells you if it’s worth your £28.
Why I Wrote This Solity Smart Lock Review UK
I live in a rented flat in London. I lost my keys three times in one month. A locksmith charged me £120. My landlord was annoyed.
I wanted a smart lock. But I didn’t want to spend £100+ on a lock. I looked for something affordable. Something under £30.
That’s when I found the Solity smart lock. It costs £28.55. It has fingerprint, keypad, and physical key. Three ways to unlock. No drilling. No permanent changes.
This Solity Smart Lock Review UK is for renters who want a budget smart lock without spending a fortune.
What Is the Solity Smart Lock?
The Solity smart lock is a fingerprint deadbolt. It replaces your existing deadbolt. The outside of your door gets a keypad with a fingerprint sensor. The inside stays simple.
Key features:
- Fingerprint sensor — unlocks in under 0.3 seconds
- Keypad — 50 custom passcodes
- Physical key — emergency backup
- Auto-lock — door locks after 10-99 seconds
- IP55 weatherproof — UK rain approved
- USB-C emergency charging — power bank backup
- 50 fingerprints + 50 codes — enough for family and guests
- Lifetime mechanical warranty — peace of mind
Are smart locks secure in the UK? Yes, with proper setup. The Solity lock has basic security features. It’s not the most advanced lock on the market, but it gets the job done.
Which brand lock is best for budget? Solity is one of the cheapest options. TEEHO is slightly more expensive but has better reviews.
Who Is This Lock For?
| If you are… | Is this lock for you? |
|---|---|
| UK renter on an ultra-budget | ✅ Yes — £28 is very affordable |
| Person who loses keys | ✅ Yes — 3 ways to unlock |
| Person who wants fingerprint | ✅ Yes — fingerprint sensor included |
| Person who wants app control | ❌ No — no app, no WiFi |
| Person with a standard deadbolt | ✅ Yes — fits most standard doors |
| Person on a very tight budget | ✅ Yes — cheapest fingerprint lock |
This Solity Smart Lock Review UK is for renters who want a smart lock without breaking the bank.
What’s in the Box?
| Item | Description |
|---|---|
| Solity smart lock | Fingerprint + keypad + deadbolt |
| 2 physical keys | Backup keys for emergencies |
| Mounting screws | For installation |
| Installation guide | Instructions |
| Batteries | 4 AA batteries included |
Note: No app. No WiFi. No Bluetooth. Just fingerprint, keypad, and physical key.
Installation — Can a UK Renter Do It?

Yes. No drilling. 15 minutes.
Solity smart lock UK installation is straightforward:
| Step | What to Do |
|---|---|
| 1 | Remove your existing deadbolt — keep it safe |
| 2 | Install the new deadbolt in the same hole |
| 3 | Attach the keypad on the outside |
| 4 | Connect the interior unit |
| 5 | Insert 4 AA batteries |
| 6 | Set up fingerprint and passcodes |
When you move out: Remove the Solity lock (10 minutes). Put the old deadbolt back. Your deposit is safe. Your landlord will never know.
No drilling. No locksmith needed. Just a Phillips screwdriver.
Fingerprint Sensor — How Fast Is It?

The fingerprint sensor is fast. Place your finger on the sensor. The door unlocks in under 0.3 seconds.
Accuracy: 8 out of 10 times. Sometimes wet or dirty fingers fail. Same as any phone fingerprint sensor.
How many fingerprints? Up to 50 fingerprints. Enough for family, friends, and guests.
What is the lifespan of a smart lock? The Solity lock has a lifetime warranty on mechanical parts. Electronic components have a 1-year warranty.
Keypad — 50 Custom Codes
The keypad allows up to 50 custom passcodes.
Why you need codes:
- Give to guests or cleaners
- No need to share fingerprint
- Easy to revoke access
One-time password feature: You can create a temporary code that auto-erases after use. Perfect for guests.
Auto-Lock — Customizable
The Solity lock has an auto-lock feature. You can set it from 10 to 99 seconds.
How it works:
- Door locks automatically after the set time
- You can turn it off if you don’t want it
- Works with both fingerprint and keypad unlock
Battery Life and Backup

The lock runs on 4 AA batteries. Battery life is around 6-8 months.
What happens when the battery dies?
- Low battery alert on the keypad
- Use the physical key to unlock
- Use USB-C emergency charging (power bank)
What happens to smart locks when power goes out? The lock runs on batteries. It still works. No remote access needed.
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Security — What Are the Disadvantages of Smart Locks?
What are the disadvantages of smart locks? Here’s the honest list for Solity:
| Disadvantage | How Solity Handles It |
|---|---|
| Batteries die | Physical key + USB-C emergency port |
| Can be hacked | Very unlikely. Local storage. |
| Lower rating (3.7/5) | Price reflects quality |
| No app control | Basic lock, no advanced features |
| No WiFi or Bluetooth | Offline only |
Can a smart lock be hacked? Very unlikely. Fingerprint data is stored locally. No cloud storage.
Do smart locks deter burglars? Yes. Visible keypad makes your home less attractive to burglars.
What locks do police recommend? For physical security, police recommend BS3621 locks. Solity works with your existing deadbolt.
Solity vs TEEHO vs LOCKSTAR — Comparison Table
| Feature | Solity | TEEHO TE002 | LOCKSTAR |
|---|---|---|---|
| Price | £28 | £43 | £174 |
| Fingerprint | ✅ | ✅ | ✅ |
| App control | ❌ | ❌ | ✅ |
| WiFi | ❌ | ❌ | ✅ (with bridge) |
| User capacity | 100 (50+50) | 50 | 100 |
| Weatherproof | ✅ IP55 | ✅ | ✅ |
| Warranty | Lifetime mechanical | 1 year | 1 year |
| Best for | Ultra-budget | Budget | Premium |
For most UK renters, the Solity smart lock is best if you want the cheapest fingerprint lock. For premium features, get LOCKSTAR.
Pros and Cons — Honest List
What I Liked (Pros)
- Ultra-budget — £28.55. Cheapest fingerprint lock on Amazon UK.
- 3 ways to unlock — Fingerprint, keypad, physical key.
- No drilling — Fits standard doors. 15-minute installation.
- IP55 weatherproof — UK rain approved.
- 50 fingerprints + 50 codes — Enough for family and guests.
- USB-C emergency charging — Power bank can unlock if batteries die.
- Auto-lock — Door locks automatically after 10-99 seconds.
- Lifetime mechanical warranty — Peace of mind.
What I Did Not Like (Cons)
- Low rating — 3.7/5. Some users report fingerprint issues.
- No app control — Cannot unlock from anywhere.
- No WiFi or Bluetooth — Offline only.
- Fingerprint can fail — Wet/dirty fingers sometimes don’t work.
- Limited user capacity — 100 users total (50 fingerprints + 50 codes).
- ANSI Grade 3 — Lowest security grade.
UK Renters — Should You Buy This Lock?
This Solity Smart Lock Review UK is for renters who want a budget smart lock.
| If you want to secure… | Verdict |
|---|---|
| Front door (ultra-budget) | ✅ Yes — £28 is very affordable |
| Front door (strict landlord) | ✅ Yes — no drilling, removable |
| Keyless entry | ✅ Yes — fingerprint + keypad |
| Remote access | ❌ No — no app or WiFi |
| Premium brand | ❌ No — get LOCKSTAR |
Landlord friendly? Yes. No drilling. No permanent changes. Removable.
Will your landlord know? The keypad is visible from outside. If your landlord is strict, ask first.
Deposit safe? Yes. 10-minute removal. Original deadbolt goes back.
Frequently Asked Questions — UK Renters
Are smart locks worth buying?
Are smart locks worth buying? Yes, if you lose keys often. The Solity smart lock is affordable. It saves you locksmith fees.
What are the disadvantages of smart locks?
What are the disadvantages of smart locks? Battery changes, higher upfront cost, potential tech issues. Solity specifically has no app control.
Can a smart lock be hacked?
Can a smart lock be hacked? Very unlikely. Fingerprint data is stored locally. No cloud storage.
What locks do police recommend?
What locks do police recommend? For physical security, BS3621 locks. Solity works with your existing deadbolt.
What happens to smart locks when power goes out?
What happens to smart locks when power goes out? Solity runs on batteries. It still works.
What is the lifespan of a smart lock?
What is the lifespan of a smart lock? Solity has a lifetime warranty on mechanical parts. Electronic components have a 1-year warranty.
Do smart locks deter burglars?
Do smart locks deter burglars? Yes. Visible keypad makes your home less attractive.
Which brand lock is best for budget?
Which brand lock is best for budget? Solity is the cheapest. TEEHO is slightly more expensive but has better reviews.
Are smart locks secure in the UK?
Are smart locks secure in the UK? Yes, with proper setup. Solity has basic security features.
What is the highest rated smart lock?
What is the highest rated smart lock? For budget, TEEHO (4.4/5). For premium, LOCKSTAR (4.7/5). Solity is 3.7/5.
Final Verdict — Worth Buying or Not?
After testing this lock on my flat door, here is my honest Solity Smart Lock Review UK bottom line.
Score: 7.8 out of 10
Why 7.8 and not higher?
- Low rating (3.7/5) (-0.5)
- No app control (-0.5)
- No WiFi or Bluetooth (-0.5)
- Fingerprint can fail (-0.3)
- ANSI Grade 3 (-0.4)
Why 7.8 is still good?
- Ultra-budget — £28
- 3 ways to unlock
- No drilling — landlord friendly
- 50 fingerprints + 50 codes
- Physical key backup
- USB-C emergency charging
- IP55 weatherproof
- Lifetime mechanical warranty
Would I buy it again? Yes, if I was on a tight budget.
Would I recommend it to another UK renter? Yes, especially if you want fingerprint access without spending £50+. If you want app control, get LOCKSTAR. If you want a slightly better budget lock, get TEEHO.
Where to Buy in the UK
Amazon UK is the best place to buy:
| Detail | Info |
|---|---|
| Price | £28.55 |
| Rating | 3.7/5 (140+ reviews) |
| Bundle includes | Solity smart lock + 2 keys + batteries + mounting kit |
| Note | Available in Matt Black, Oil Rubbed Bronze, Satin Nickel |
Disclaimer: I paid for this lock with my own money. No free product. No sponsored content. This Solity Smart Lock Review UK is just honest experience from one UK renter to another.
Last updated: June 2026. Prices subject to change. Check Amazon UK for current pricing.
