BS3621 is a lock standard by British Standards Institute (BSI) for thief-resistant locks, BS-3621 locks are found on some front and back doors in the home and it’s a good way to check that your security is up to standard. This is why some insurance companies require door locks are fitted to BS 3621 British Standard.

How do I know if my lock conforms to BS3621?

To comply with BSI standards, BS3621 locks are designed to adhere to the following criteria:

  1. A BS3621 mortice lock must have at least five-lever or pin tumblers.
  2. Screws which fix the lock or cylinder to the door must not be accessible when the door is shut.

When was BS3621 introduced?





1960’s

BS3621 was first introduced in the 1960’s and covers “locks operated by key from both the inside and outside of the door”, here are some key facts about BS3621 locks: Commonly found on wooden or timber doors in residential properties.

What does British Standard locks mean?

If a lock shows the British Standard Kite Mark, it means that it’s been certified by the British Standard Institute for meeting the required security standards.

Is a Yale lock BS3621?

Product Overview. The Yale British Standard PBS BS3621 Nightlatch Polished Chrome is one of the few insurance-rated nightlatches on the market. In addition to automatically deadlocking when the door is in the closed, the inside handle can be locked by a turn of the key.

Are Chubb locks BS3621?





Chubb locks, now branded as Union are one of the most popular BS3621 approved deadlocks for front doors in the UK, a great secure popular 5 lever deadlock.

Are Ultion locks BS3621?

Ultion locks meet the BS3621 British Standard, bear a Kite Mark and are approved by the Police and by insurers.

Is Ultion British standard?

Approved by British Standards.

Ultion is accredited with the highest 3 star rating.

Is TS007 equivalent to BS3621?



Introducing TS 007.

Designed as a simple way to highlight enhanced product solutions to protect home-owners from opportunist burglar attack, this standard provides a level of security for replacement cylinders that is equivalent to the levels currently specified in PAS 24 and BS3621.

Can you drill an Ultion Lock?

Drilling an Ultion lock is not something that happens quickly or quietly. Before the drill reaches the molybdenum core (that’s 25% denser than iron), there are 8 hardened steel drill defences. Keyring brings all the benefits of Keycap with built in bluetooth.

How many keys do you get with a Ultion lock?



Most security locks have only 5 or 6 pins. Ultion uses 11. This means that Ultion creates nearly 3 times the amount of key combinations required for the highest standard.

Are Ultion locks Anti snap?

The Ultion Lock is the most secure anti snap lock ever made. It is Sold Secure Diamond accredited and has a three star security rating making it one of the best locks on the market today.

Can you get Ultion keys cut anywhere?

For your security Ultion key cutting is only available from Licensed Ultion Key Centres.

How good are Ultion locks?

The Brisant Secure Ultion Smart has a secure cylinder lock at its heart, which is highly resistant to snapping. With a secure manual key providing peace of mind, this smart lock is a great option for those interested in switching to the smart option, but who are worried about what could go wrong.

Can Ultion keys be copied?



Ultion keys can’t be cut like normal keys. Locksmiths need a code to create the right key. The information needed to cut a new key is encoded on the Brisant website. To decode it, licensed Ultion Key Centres need the number embossed on the original Ultion key, and the homeowner’s password.