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Certified Locksmith

9.94/10

London

£1,000 guarantee T&Cs apply

Checkatrade member since November 2021

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Services

Customer Reviews

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9.94 /10

Based on 57 reviews over the past 12 months

Quality of work

9.86

Reliability

9.98

Communication

9.96

What customers are saying

AI-generated from customer reviews over last 24 months

Customers describe this tradesperson as professional, friendly, and highly skilled, often going above and beyond to provide excellent service. He is consistently praised for his clear communication, promptness, and fair, upfront pricing.

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Reviews (442)

  • 10

    Doors Opened / Unlocked

    Posted 3 days ago

    Mailbox Lock Replacement - Fast, Professional Service

    Laurence replaced the lock on my mailbox and did an excellent job. Communication was clear throughout, he arrived promptly, and the work was completed efficiently with no hassle. Friendly, professional, and very easy to deal with. I would happily recommend him.
    Job location: NW1
  • 10

    Lock Fitting

    Posted 4 days ago

    Excellent work

    Laurence did a fantastic job changing our lock cylinders. He provides very helpful information before any work is carried out, works very efficiently, and is a very friendly professional. Highly recommended.
    Verified reviewer
    Job location: E13
  • 10

    Lock Repair

    Posted 6 days ago

    Excellent service from start to finish!

    Lawrence arrived promptly, was friendly, professional and clearly very knowledgeable. He replaced my broken door spindle quickly and efficiently, taking the time to make sure everything was working perfectly before he left. He really went above and beyond and made the whole process completely hassle-free. I would not hesitate to recommend him and would happily use his services again in the future.
    Verified reviewer
    Job location: N8
  • 10

    Doors Opened / Unlocked

    Posted 05 June

    Excellent locksmith!

    Laurence was fantastic when I got locked out of my flat, very good communication and advice on the job with up front explanations of costs. Very polite and professional. He attended very quickly and got me back inside with no trouble. Have saved his details and would definitely use his services again (though would hope don’t have the need!)
    Verified reviewer
    Job location: NW1
  • 9.33

    Lock Fitting

    Posted 28 May

    New lock

    Laurence added a new lock to my front door. He offered a competitive price, good communication and was friendly.
    Verified reviewer
    Job location: EC2Y
  • 10

    Lock Fitting

    Posted 26 May

    Fitting new lock to front door and replacing cylinder in Yale lock.

    Laurence was great - clear communication about the job and some other lock-related issues we had before attending at the house, arrived on time, did a great job and gave us some good tips on security more generally.
    Verified reviewer
    Job location: NW2
    Joshua N

Photos

lock change+356

Company Info

Owner

Mr. Laurence Wynter

Sole Trader

5 years on Checkatrade

VAT Registered

No

Domestic WorkCommercial WorkFree EstimatesInsurance Work Undertaken24 Hour Call-out

At Certified Locksmiths, we pride ourselves on delivering outstanding customer service with a friendly, rapid response. With over 30 years of industry experience, Laurence has worked with prestigious organisations such as The Prince’s Trust, demonstrating his expertise and commitment to excellence.

We offer free quotes over the phone and are so confident in our pricing that we encourage you to compare. There are no call-out charges, and we ensure all work is agreed upon and confirmed via text before we leave, guaranteeing transparency and competitive pricing.

Our Services Include:

Lock replacements & upgrades (BS3621 Insurance Approved)

Emergency lockouts & lost key solutions

Window & door locks, including uPVC fittings

Burglary damage repairs for doors & windows

24/7 Emergency call-outs—whenever you need us

We proudly serve customers across M25, North & East London, Hertfordshire, and surrounding areas. Our team is fast, friendly, and reliable, offering professional service with a personal touch.

Guaranteed quality workmanship & customer satisfaction


Call Certified Locksmiths today—where exceptional service comes as standard!


We are fast, friendly, and reliable.


Guarantees offered

This trade passed up to 12 Checkatrade vetting checks

Member since November 2021

Individual checks

  • Identification

  • Proof of address

  • Financial

  • Qualifications and accreditations

  • County court judgement

  • Open source media

Business checks

  • Customer Reviews

  • Company trading history

  • Company duplication

  • County court judgement

  • Enhanced business check

  • Director checks

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