Knebworth
Potters Bar
If you need help in an emergency, contact us now! We can help.
Speak to one of our friendly team for all your locksmith needs.
Established in 1958 by Jim Drummond Senior, Drummond Security have a long and proud history in providing effective physical security solutions. Now based out of premises in both Knebworth and Potters Bar, all of our locksmiths have a wide knowledge in all aspects of both physical security and traditional locksmith skills and are always on hand to give you the best possible advice and solutions to suit your needs.













Call us to let us know how we can help. We respond to all communications
We aim to attend to all emergency requests around the Hertfordshire area within 45 minutes
We are a trusted and approved, DBS checked and ALA approved locksmtihs
Whether it be a simple spare key or total key loss on your car we are able to open your car without causing damage
We provide expert lock installation and repair services to ensure your property is secure and functional.
Upgrade your security with our durable and reliable deadbolt lock solutions.
Locked out of your smart lock? We’ll get you back in without damage or delay
From installation to unlocking, we handle all your safe lock needs with precision.
Locked out of your car? Our quick and damage-free car lockout service is here to help.
Secure your garage with our top-quality lock installation and repair services.
Fast and accurate key duplication for home, business, or vehicle locks.
Locked out? Our 24/7 emergency lockout service will have you back inside in no time.
At Drummond Security we can either offer a like for like replacement or you can take the opportunity to upgrade to a thermal insulated double glazed unit.
Either way, we can save you thousands of pounds in replacing uPVC windows and doors.
We are open at the following times:
Knebworth
*Monday to Friday 8.30 AM - 4.30 PM
*Saturday 10 AM - 12 PM
*Sunday CLOSED
Potters Bar
*Monday to Friday 8.30 AM - 5.15 PM
*Saturday 9 AM - 12 PM
*Sunday CLOSED
Yes, Our emergency services include;
* Emergency door opening
* Auto locksmiths
* Lost Car Keys
* Car openings
* Lock fitting
* Lock upgrades (to BS3621 insurance standards)
* Insurance surveys
* Registered key systems and master suites
* Safe opening and repairs
* Door entry systems
* Access control
* Metal gates, roller shutters and grilles
* Door closers
* Door replacement and reinforcement
* Burglary repairs
* Window locks
* UPVC door locks repairs, window lock replacement and key cutting
Most car keys and remote's can be done in under half an hour as long as we have a key to work from. Lost keys usually take a little longer but we aim to get most jobs completed in under two hours from the time we arrive.
Our aim is to keep our customers happy!
No returns can be accepted for credit unless previously agreed by us and an official Returns Reference has been issued. A charge of 20% of invoice value or a minimum of £10 will be levied on Goods “not wanted” or “incorrectly ordered”, or due to duplication resulting from a “confirmation” order not being endorsed to that effect. We must receive all goods returned under this category, within thirty (30) days of the original invoice date. You will bear all the costs of returning any Goods under this category. All items returned as faulty are liable to manufacturer inspection. We cannot guarantee replacement or credit; a warranty repair may be given.