Have you ever wondered what secures every door in the UK? Then look no further than our introductory guide to over 25 types of common locks and locking mechanisms.
Whether you're new to the field or just keen to broaden your understanding, welcome to a guide that demystifies the everyday door locks found across the UK. From the simplest latch to digital and electronic locks, we cover the whole range.
Below, we take you through a clear, basic breakdown of each type of popular lock. Ideal for facility managers in training, budding building contractors, or anyone with an interest in construction and door hardware, this guide is your first step into a world where each lock is a piece of the puzzle in creating safe, functional spaces.
Before we delve into the types of door locks let us explain how we’ve broken them down.
Firstly, you’ll see locks by function - sashlocks for use with door handles, standard night latches used with a rim cylinder and cylinder pull, deadlocks for extra security, that kind of thing.
Secondly, we take you through locks by type - cylinder and lever, how they are fitted - morticed or rim mounting, and where you might fit them - doors, gates, and windows.
Lastly, you’ll find some details on accessories and secondary locking products to complement different types of locks. So what are you waiting for, let’s dive in.
Lock Functions
Lock Types
There will always be anomalies; specialist security locks installed on high security premises, bespoke lockcases on historic, period properties, or an obsolete lock that has no direct replacement. This introductory guide unlocks the basics, and there are a lot of them. Let’s discover the vast world of door locks – your comprehensive directory to understanding the essentials in UK lock types.
Sashlocks
Deadlocks
Bathroom Locks
Surface mounted bathroom locks are uncommon but are available from some UK brassware manufacturers. Typically, a vacant/engaged indicator bolt, similar to a cubicle fitting, would be rim mounted to thin bathroom or WC doors.
Door Latches
Nightlatches
- Open the door using an integral lever
- Integral or replaceable rim cylinder
- Deadlocking function
- Snib hold back
- Used in conjunction with a 5 lever deadlock on residential properties
Escape Locks & Panic Hardware
For escape locks fitted to the surface of the door, install panic hardware tested to either BS EN 1125 or BS EN 179. If you want to find out more about where panic hardware is required, head over to our blog.
Cylinder Locks & Barrels
Cylinder Locks
Cylinder Barrels
Euro cylinder locks are the most common but oval, rim, and threaded profiles are to be found in most facilities. Curious to know more? Watch our Toolbox Talk video below that explains the different types of cylinder profiles.
Replacing an existing cylinder barrel lock? You’ll need to know the overall size and whether it is an even split or asymmetric. Check out our handy cylinder measuring guide below, which can also be found in our product catalogue.
When calculating the length of cylinder required ensure you factor in the depth of the handle backplate or escutcheons being used. They can add up to 10mm on either face of the door.
Lever Locks
So called because of their internal mechanism, lever locks feature between 2 and 7 levers but the most common are 3 lever and 5 lever locks.
3 Lever Locks
5 Lever Locks
Mortice Locks
Mortice door locks are recessed into a cut out or pocket within the body of the door. The minimum thickness required for a timber door to cut in a lock would be 35mm. Otherwise, the lockcase would be too close to the sides of the door and would be prone to attack.
Upright
Horizontal
Specialist Application
A variety of specialist locks are available including:
These mortice door locks are classed as specialist as they’re not commonly used. This could be due to an unusual function that is required or an uncommon type of door.
If you’re ready to get more in depth, read our blog: What is a Mortice Lock and How to Measure One. The article will guide you through lockcase terminology, dimensions, and how to measure a door lock. This is a perfect, quick read if you’re replacing an existing lock and need to find a close or exact match for retrofitting.
Our Toolbox Talk video below: Lockcase Terminology Explained is also another great next step on your lockcase journey.
Rim Locks
Multi-Point Locking Systems
There is a huge variety of multipoint locks or espagnolettes on the market, with some suitable for windows. There are many measurements to check when replacing an existing multipoint door lock or suitable door handles, so contact our team today if you need advice or guidance on selecting the right product for your job.
Mortice multi-point door locks are higher security compared to rim mounted espagnolettes. Surface espag bolts are more for aesthetics in high end residential spaces and can be combined with insurance rated locks for additional security.
Cupboard Locks
Digital Push Button Locks
Electric Locks
An essential part of any access control system, electronic door locks are available in many shapes and sizes with different functions and fitting applications. Electric lock types include:
This is a huge area within itself so if you want to explore electronic door locks as a side quest, begin with A Comparison Guide to Electric Door Locks.
Smart Locks
Gate Locks
Gate locks have as many, if not more options than electric locks. A gate can be secured with a simple surface mounted slide bolt, or a double sided digital keypad lock. To determine the right model for your facility you’d need to consider multiple factors, some of which include:
Window Locks
Window restrictors don’t always lock the window in addition to restricting opening. Take a look at the Jackloc range of products for simple yet effective ways of safeguarding your property and its users.
Padlocks
Padlocks are a versatile, transportable locking option for small personal items like luggage, up to external access gates, or even vehicles. Used to hold together a hasp and staple, or two ends of a security chain, padlocks have a number of features:
The three most common types of padlock are:
Open Shackle Padlocks
Closed Shackle Padlocks
Combination Padlocks
Rebate Kits
Additional Security Features
Whether you’re looking to bolster your security by adding an additional locking point to your external doors or providing easier access to your front door, there are a range of secondary security products available.
The most common additions to a residential entrance door are:
Door Bolts
Door Chains
Door Viewers
Commercial Security
Often less obvious physical security solutions, not fixed to the door itself include:
Early warning systems, barriers, and other safety measures all provide additional defense for your facility over and above a physical door lock but they still play a vital role in the protection of your built environment.
This guide aims to provide you with an understanding of the various types of door locks commonly found in the UK. The right lock can significantly improve your property's security. So, make informed choices based on your unique requirements.
The type of door lock you choose will depend on various factors:
If you want to continue on this journey or exploration remember you can check out our YouTube channel for more helpful Toolbox Talks videos and browse our online range of door locks and security products 24/7.
Our team is on hand to answer any and all of your questions and queries on locks, access control, and door hardware so get in touch today:
T: 01305 263300
Code: BC1078SS
The Morgan ACL500 Universal Radar Lock Set - lift to lock handle set and lockcase for installation on accessible WC doors
3
IN STOCK
Code: BC1125SS
The ZOO ZAS25 Stainless Steel Toilet Door Indicator Bolt is a bathroom/WC indicator door bolt, suitable for use on timber doors.
2
IN STOCK
Code: LB3515SC
The UNION J2234E BS3621 5 Lever Mortice Sashlock is a 5 Lever, Insurance rated mortice sashlock.
Rebate kits are available. Please contact us for further details.
17
IN STOCK
Code: LP5415SB
These ABUS 65 Range Brass Padlocks are available in various sizes, open or closed shackle, keyed alike or keyed to differ.
21
IN STOCK
Code: LB3366SS
The ARRONE AR8018 Bathroom Tubular Deadbolt is a heavy duty tubular mortice bathroom deadbolt for use with bathroom WC indicator & turns with a 5mm spindle. Supplied with satin chrome and polished brass forends and keeps.
28
IN STOCK
Code: LB0246SS
The ARRONE AR913 Specification Bathroom Lock has either a 60mm or 80mm backset. It is suitable for bolt through furniture fixings and for sprung and some unsprung lever furniture.
Select from 60mm or 80mm backset in the drop down menu below.
83
IN STOCK
Code: ED3030-F6EXS-SNP
The Iseo F6 ExtraS Euro Double Cylinder is available in a wide range of overall sizes, including a range of asymmetric split lengths. Select the required size from the drop down menu.
This range is TS007 1 star rated, and can be combined with the Eurospec security escutcheon set to achieve the 3 star rating.
41
IN STOCK
Code: LB0176SS
An ARRONE AR8104 Project Mortice Nightlatch with a 60mm backset, pierced to accept a euro profile cylinder barrel.
38
IN STOCK
Code: LR1614CP
The Yale PBS1 BS3621 Cylinder Rim Deadlocking Night Latch is an insurance approved to BS 3621, maximum security night latch. The latchbolt can he held in the withdrawn position by pressing the button above the internal handle.
2
IN STOCK
Code: JKLPROTWISTW
The Jackloc Pro-Twist window restrictor has a push-and-turn release mechanism, making it the ideal choice for residential applications.
12
IN STOCK
Code: KL1000
The Codelocks KL1000 Electronic Cabinet Lock is an electronic cabinet lock that is easily programmed and can be retro-fitted.
13
IN STOCK
Code: LP5439SB
This ABUS 82/70C Brass Shutter Lock has a 12mm hardened steel shackle, precision pin cylinder and comes supplied with two keys. There is a 13mm vertical clearance and it measures 70.5mm overall width.
1
IN STOCK
Code: LP9054
A ARRONE AR90/54 IP65 Rated Fingerprint Padlock, perfect for use on outdoor sheds, lockups and facilities.
2
IN STOCK
Code: ML600EX
The EXML600 280kg mini external gate maglock has a 280kg holding force, suitable for use on external gates. Select from monitored or unmonitored versions.
21
IN STOCK
Code: LC6511SC
The Eurospec ART5105 Euro Tubular Latch Rebate Kits suit the Eurospec euro tubular latches.
10
IN STOCK
Code: XB5310SS
The IMPERIAL G7007 Upright Mortice Escape Deadlock to suit a euro profile cylinder. In the standard one-way action, the deadbolt is withdrawn by key from either side or by a lever handle or turn knob from the inside.
2
IN STOCK
Code: BC5020CP
The Heritage Brass V1070 Security Door Chain is a brass security door chain, available in two different finishes.
12
IN STOCK
Code: LBFB1
The ZOO FB1 Fire Brigade Lock is a London Fire Brigade, pierced mortice deadlock. A fire rated version is available, with separate intumescent kits for FD30/60 doors.
The intumescent kits must be installed to achieve the fire rating. These are sold separately.
73
IN STOCK
Code: CL255SS
The Codelocks CL255 Digital Lock is a light duty mechanical code lock with mortice latch and holdback facility.
10
IN STOCK
Code: DLB7001
The heavy duty Borg BL7001 ECP digital lock is available in satin stainless steel or their MG Pro black finish. Fit to external gates and doors up to 60mm thick.
5
IN STOCK
Code: BC3045SC
A 63mm Mortice Security Door Bolt, 63mm overall with 32mm centres. Key is sold separately.
45
IN STOCK
Code: BC4018CP
The Carlisle Brass AA76 180 Degree Door Viewer is available in two finishes. Select from polished chrome or polished brass.
22
IN STOCK
Code: PCB1413ELE
The Briton 1413 LE SE outside access device lever is non-handed, supplied with a 40mm euro profile cylinder as standard. Suits the Briton 376 series.
22
IN STOCK
Code: LB1876SC
The ARRONE AR7004 Euro Profile Mortice Sashlock Case is a euro profile mortice sashlock case, complete with bolt through fixing holes and a brass deadbolt. It is suitable for sprung and most unsprung door furniture.
27
IN STOCK
Code: EK3535-MP5-SCP
The MP5 5 Pin Euro Key & Thumbturn Cylinder is a 70mm or 80mm 5 pin euro profile cylinder with thumbturn and 3 keys.
32
IN STOCK
Code: LB3816SC
A range of UNION 22EUS StrongBOLT Euro Profile Sashlock Cases. Select from two sizes and two finishes.
24
IN STOCK
Code: LH7115BZ
The Era 415 92mm Rim Budget Lock is supplied in a bright zinc finish and is operated by a T-key, which is supplied separately.
13
IN STOCK
Code: LB5351SA
The ADAMS RITE 4750 Euro Profile Mortice Deadlatch is a euro profile cylinder deadlatch, available with three different backsets. Use with a double euro cylinder or euro cylinder and turn.
3
IN STOCK
Code: DLK7106
The KABA Simplex 7106 Digital Lock with Nightlatch has a single access code and is highly weather resistant.
4
IN STOCK
Code: PCE298
The Exidor 298 Knob Operated Outside Access Device is an economic outside exit device (OED), suitable for use with the Exidor 200 and 300 series panic bolts and latches.
100+
IN STOCK
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