Can help with
- Commercial
- Safes
- Smart locks
Locksmith · based in London
Dennis Security Centre
This business currently advertises commercial locksmith work, safes and smart locks. Its reviews do not yet show one repeatedly described speciality.
What may help you decide
- Customers explicitly returned — mentioned in 3 separate reviews
- Faults and options explained clearly — mentioned in 3 separate reviews
Start with the problem
What do you need?
Choose a job to see what this business advertises, what customers repeatedly mention and what to say on the call.
Shop, office or managed property
This business advertises shop, office or managed property. Customer reviews do not contain enough repeated detail to show how often it handles this work.
What the advertised service covers
- Access control and entry systems
Tell them this before they travel
- Describe the premises and the hardware, including any managed or controlled entry system.
- Confirm who is authorised to approve the work and what invoice or job reference you need.
Opening, moving or servicing a safe
This business advertises opening, moving or servicing a safe. Customer reviews do not contain enough repeated detail to show how often it handles this work.
What the advertised service covers
- Safe opening, fitting or repair
Tell them this before they travel
- Give the make, model and approximate age of the safe, and say whether it is locked open or closed.
- Say whether you have the combination, the key or neither, and be ready to prove you own the safe.
Smart, digital and keypad locks
This business advertises smart, digital and keypad locks. Customer reviews do not contain enough repeated detail to show how often it handles this work.
What the advertised service covers
- Smart and digital locks
- Alarm and CCTV systems
- Access control and entry systems
Tell them this before they travel
- Name the product or system and say whether the door is uPVC, composite, timber or aluminium.
- Ask what happens to the existing keys and what the fallback is when the battery or network fails.
Costs
Ask for a complete quote
This business publishes no starting prices and no price policy that survived the release checks. Give the postcode, the time and the lock problem, and ask for one complete amount before anyone sets off.
No published prices for this business
LockScout does not estimate a price on a business’s behalf. Compare the defined UK job ranges instead, then agree the amount directly.
Compare defined UK job rangesWho you are dealing with
Useful credentials, claims and limits
Business-provided statements are kept separate from customer observations. These are current business details, not a licence or an endorsement from this directory.
Policies to confirm on the call
- DBS-checked staff for customer-facing work.Checked 2026-08-26
Customer experience
What customers consistently mention
Only points repeated by different customers appear here. Isolated comments stay out.
Price, communication and follow-up
These recurring details describe how customers experienced the conversation before, during and after the job.
Customers came back
3 reviewsMultiple customers explicitly say they had used the business before and returned for later work. 1 of these 3 reviews are from the latest two years available.
Explained the options
3 reviewsPast customers often mention the fault, the work or the available options being explained clearly. 1 of these 3 reviews are from the latest two years available.
Calm, professional manner
5 reviewsPast customers often describe a calm, respectful or professional manner. 1 of these 5 reviews are from the latest two years available.
Customer reviews available up to 2026-07-01. How these themes are selected. Past jobs do not guarantee the next one.
Coverage
Call with your postcode
Based in London. An advertised service area does not establish today's availability or arrival time.
Contact
Call and confirm the job
Have the postcode, a short description of the door or lock and a useful photo ready. Ask for the complete price before attendance.
Dennis Security Centre
020 8520 7450Advertised hours
| Monday | 8:30 am–5 pm |
|---|---|
| Tuesday | 8:30 am–5 pm |
| Wednesday | 8:30 am–5 pm |
| Thursday | 8:30 am–5 pm |
| Friday | 8:30 am–5 pm |
| Saturday | Closed |
| Sunday | Closed |
More local options
Need another locksmith?
Compare a few other businesses that cover the same area and can help with similar jobs.
Other options covering London
- N1 Locksmiths LtdBased in London · Commercial and Safes
- London East Locksmith LtdBased in London · Commercial and Safes
- Andrew the Locksmith HarrowBased in London · Commercial and Safes
Ready to decide?
Use the fit, not only the rating
This business currently advertises commercial locksmith work, safes and smart locks. Its reviews do not yet show one repeatedly described speciality. Confirm the exact job, who attends, the complete price and a live arrival estimate before you book.
Used Dennis Security Centre?
Share a first-hand experience to help the next customer make a clearer decision.
Correction in progressA submitted update for this page is being assessed.
Sources, review rules and last update
Current service, price and credential details were checked on 25 September 2026. Only details that passed the site’s source checks appear on this page.
Customer experience: 136 written Google reviews checked, latest 2026-07-01; displayed rating checked 2026-08-31.
- https://www.dennissecurity.co.uk/
- https://www.dennissecurity.co.uk/cctv
- https://www.dennissecurity.co.uk/safes
- https://www.google.com/maps?cid=7823336773619763385
Customer themes appear only when separate written accounts repeat them. A single account is never promoted to a strength or a warning, and current first-party service scope takes priority over older customer history when the two disagree.
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