Doncaster Insurance Approved Locks

BS3621 accreditation

"Is the lock to your door British Standards BS3621?"

The TV ad interrogation about insurance companies requiring locks conforming to the British standard of 3621 accreditation has been popular.

The BS 3621 standard is when a lock is classed as “thief resistant.” This includes burlgary methods such as picking and drilling the lock.

£5,000 guarantee
Approved by locksmiths

Symbols you will see on insurance approved locks. Tests passed by the MLA carry a diamond and the star rating.

3 star security standard
police approved
Approved by the Police

The "design out crime" Police campaign by use of physical security equipment. Locks with this design have undergone testing.

secured by design
BSI approved
Approved by the British Standards

Ultion locks are credited with the highest 3 star rating. This is the symbol most people will recognise on their insurance approved locks.

BSI Kite Mark
Insurance Approved Locks
Euro cylinder lock

This lock is mostly found on UPVC doors, Composite doors, patio doors, French doors and some garage doors.

If you have any further questions please feel to contact us
Rim cylinder locks

Mortice locks

Mortice locks are found on wood doors and commercial properties that have metal doors.

The lock needs to display the BS 3621 stamp mark to meet insurance and police recommendations.

Insurance Approved Locks

Rim Cylinder

To conform to BS 3621 accreditation, mortice locks must have 5 levers installed within and:

  • Measures to prevent picking those 5 levers.
  • At least 1000 key differs.
  • Anti-Pick qualities.
  • Anti-drill type hard plates installed.
  • Have a minimum of a 20mm bolt throw into the door frame itself.

Night latch

Night Latch

This lock is found on the outside area of the door installed within a night latch mechanism that is installed and used on the inside of the door.

The night latch mechanism and similar versions by other companies should display the accreditation on the side.

Insurance Approved Locks
Multi point lock

A UPVC or composite door multi-point lock is located at the side of the door.

The multiple hooks and bolts in the door prevent weak points along the door edge.

Ensure your euro cylinder is TS007 3-star standard for maximum security.

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Multi point lock

The new insurance & police approved standard is PAS3621 which is equivalent to the BS3621 standard.

The only problem with this PAS3621 accreditation is that the majority of older multi-point mechanisms cannot be retro replaced with the new PAS3621 accreditation mechanisms.

Doncaster Locksmith advise to have a TS007 3-star Ultion lock together with a 2-star Security Handle for maximum protection.

Doncaster Locksmiths
SheffLOCK Ltd

Apex Offices
1 Watervole Way, Balby
Doncaster. DN4 5JP
P: 01302 910 520
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