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Union C-Series 3G114E - BS 5 Lever Deadlock (67mm, Polished Brass)

from £73.09
Rated 4.6

/5

Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5
18 Reviews

100%

Recommended
this Product
Ease of Use
Out of 5
4.7
Build Quality
Out of 5
4.7
Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5
Romford Cinderella Verified Customer

I found the tele sales person very helpful in identifying my own, fitted lock and comparing it to the 3G114E. I liked the ease of purchase of a product I knew to be suitable (as my insurance company had requested it), which arrived exactly when I was told it would. The price was better than other websites I viewed and delivery was free. The website was nicely laid out with clear text, with the option of an enquiry service.

The fitter found it quite difficult to cut a suitable recess for the locks' insertion, which is why I have not given it 5 stars but that may have been due to the door being made of Oak and him not having a full tool kit.

Read more

See all reviews

Rated 4 / 5Rated 4 / 5Rated 4 / 5Rated 4 / 5Rated 4 / 5
Nigel Verified Customer

I liked the fact that you stocked this lock in a very wide range of sizes. I could not have purchased this size lock from any of the large DIY stores. The lock is fully certified to meet current insurance requirements, and is drill resistant from both sides. All parts of the lock are of sturdy construction.

The lock replacement took longer than expected, as the lock cavity in the door had to be widened slightly. Sharp chisel required.

The lock operation was a little rough, so I dismantled the lock and applied a small quantity of copperease grease. It now works a treat.

The long throw of the lock also works well.

Read more

See all reviews

Spring Sale
5% OFF Everything
USE CODE - SPRING24
The Union C-Series 3G114E (Previously by Chubb locks) includes a deadlock that is locked by Key on either side.
View Full Specification
  • Extended box strike for additional strength.
  • Can be supplied with micro-switches for alarm systems.
  • Includes an extra long 20mm bolt throw.
  • Previously by Chubb Locks.
  • Keyhole is 40mm backset from forend.
  • Also available keyed alike.
  • 67mm deep case.
  • 20mm bolt projection.
Ref: UNI-3G114E-67-PB

See all reviews

Details
A 67mm
B 40mm
C 77mm
D 133mm
E 25mm
Dimensions
Case Depth 67mm
Backset 40mm
Case Height 77mm
Forend Length 133mm
Forend Width 25mm
Show Imperial »
Lock
Mortice Type
Deadlock
Lock Mechanism
5 Lever
Key Differs
1,000
Bolt Projection
20mm
Backset (keyhole)
40mm
Colour
Polished Brass, Satin Chrome
Product File
Download
Features
Insurance Approved*
BS3621:2007
Handed
Left, Right
Keyed Alike
Available
* Insurance approval may vary due to conditions and location. Please check with your underwriter.
In The Box
Lock Case
Yes
Strike Plate
Yes
Keys
3
Escutcheons
Yes
Reviews [18]
Rated 4.6

/5

Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5
18 Reviews

100%

Recommended
this Product
Ease of Use
Out of 5
4.7
Build Quality
Out of 5
4.7
Sort by:
Peter Kirk Verified Customer November 2017
Rated 4.5 / 5Rated 4.5 / 5Rated 4.5 / 5Rated 4.5 / 5Rated 4.5 / 5
Recommended

I can't fault the product in that materials were excellent and build quality excellent.

Was this helpful? 14

Anonymous Verified Customer January 2017
Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5
Recommended

Easy to fit and effective. I recently lost my keys and the locksmith took two hours trying to open it before having to resort to cutting through the wooden frame around the lock to get the door open. He had only managed to scratch the paint.

Was this helpful? 14

Romford Cinderella Verified Customer March 2018
Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5
Recommended

I found the tele sales person very helpful in identifying my own, fitted lock and comparing it to the 3G114E. I liked the ease of purchase of a product I knew to be suitable (as my insurance company had requested it), which arrived exactly when I was told it would. The price was better than other websites I viewed and delivery was free. The website was nicely laid out with clear text, with the option of an enquiry service.

The fitter found it quite difficult to cut a suitable recess for the locks' insertion, which is why I have not given it 5 stars but that may have been due to the door being made of Oak and him not having a full tool kit.

Was this helpful? 13

Nigel Verified Customer August 2014
Rated 4 / 5Rated 4 / 5Rated 4 / 5Rated 4 / 5Rated 4 / 5
Recommended

I liked the fact that you stocked this lock in a very wide range of sizes. I could not have purchased this size lock from any of the large DIY stores. The lock is fully certified to meet current insurance requirements, and is drill resistant from both sides. All parts of the lock are of sturdy construction.

The lock replacement took longer than expected, as the lock cavity in the door had to be widened slightly. Sharp chisel required.

The lock operation was a little rough, so I dismantled the lock and applied a small quantity of copperease grease. It now works a treat.

The long throw of the lock also works well.

Was this helpful? 12

MM Verified Customer December 2019
Rated 4.8 / 5Rated 4.8 / 5Rated 4.8 / 5Rated 4.8 / 5Rated 4.8 / 5
Recommended

I bought this lock as a replacement for an earlier model. Instead of buying an exact replacement the 3G114E was suggested as it is a slight improvement in security over the earlier one that is still available. I think this one is more approved by insurance companies etc. It is fine but it is slightly wider than the older one and the keep is a little deeper. This simply means that when you fit it you must allow the time and have the necessary tools to modify the lock opening and keep depth to fit the newer model. When fitted it is very smooth and the mechanism has a quality feel you notice every time you use the key.

Was this helpful? 11

Mike Ward Verified Customer October 2014
Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5
Recommended

This lock was purchased to replace an existing lock for which the keys were getting difficult to turn. I wanted to minimise the carpentry required to fit a new lock and this lock was perfect. It took me about 15 minutes of chiselling to ensure the lock could be inserted and align with the strike plate on the door jam. I have a solid wood front door and have always used the mortice lock, as well as the Yale latch, when leaving the house. Being a five lever lock provides that extra peace of mind. Highly recommended and meets the requirements of most home insurers.

Was this helpful? 11

Anonymous Verified Customer March 2016
Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5
Recommended

Great!

Was this helpful? 10

Anonymous Verified Customer January 2017
Rated 4.4 / 5Rated 4.4 / 5Rated 4.4 / 5Rated 4.4 / 5Rated 4.4 / 5
Recommended

Did the job with ease

Was this helpful? 9

Anonymous Verified Customer October 2016
Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5
Recommended

Good

Was this helpful? 9

Richard Verified Customer July 2016
Rated 3.8 / 5Rated 3.8 / 5Rated 3.8 / 5Rated 3.8 / 5Rated 3.8 / 5
Recommended

I bought this as a straight replacement for an older lock of the same type (having bought a flat which had once been used as a holiday rental so I didn't know how many keys there were out there nor who had them). I'd hoped it would just slot in where the old one had been so it would be just a case of tightening some screws. In fact although the dimensions given are the same as the older ones it's a fraction wider and the bolt throws slightly to the side, so if you're planning to replace one as I did be aware that a small amount of chisel-work is needed. However once that's done it seems a good lock for the price.

Was this helpful? 9

MM Verified Customer December 2019
Rated 4.8 / 5Rated 4.8 / 5Rated 4.8 / 5Rated 4.8 / 5Rated 4.8 / 5
Recommended

I bought this lock as a replacement for an earlier model. Instead of buying an exact replacement the 3G114E was suggested as it is a slight improvement in security over the earlier one that is still available. I think this one is more approved by insurance companies etc. It is fine but it is slightly wider than the older one and the keep is a little deeper. This simply means that when you fit it you must allow the time and have the necessary tools to modify the lock opening and keep depth to fit the newer model. When fitted it is very smooth and the mechanism has a quality feel you notice every time you use the key.

Was this helpful? 11

Romford Cinderella Verified Customer March 2018
Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5
Recommended

I found the tele sales person very helpful in identifying my own, fitted lock and comparing it to the 3G114E. I liked the ease of purchase of a product I knew to be suitable (as my insurance company had requested it), which arrived exactly when I was told it would. The price was better than other websites I viewed and delivery was free. The website was nicely laid out with clear text, with the option of an enquiry service.

The fitter found it quite difficult to cut a suitable recess for the locks' insertion, which is why I have not given it 5 stars but that may have been due to the door being made of Oak and him not having a full tool kit.

Was this helpful? 13

Peter Kirk Verified Customer November 2017
Rated 4.5 / 5Rated 4.5 / 5Rated 4.5 / 5Rated 4.5 / 5Rated 4.5 / 5
Recommended

I can't fault the product in that materials were excellent and build quality excellent.

Was this helpful? 14

Anonymous Verified Customer July 2017
Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5
Recommended

The Product was the perfect replacement for one i already had fitted some time ago. the website was most informative giving all the dimensions etc so that i could get the right lock first time.

Was this helpful? 3

Anonymous Verified Customer January 2017
Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5Rated 4.6 / 5
Recommended

Easy to fit and effective. I recently lost my keys and the locksmith took two hours trying to open it before having to resort to cutting through the wooden frame around the lock to get the door open. He had only managed to scratch the paint.

Was this helpful? 14

Anonymous Verified Customer January 2017
Rated 4.4 / 5Rated 4.4 / 5Rated 4.4 / 5Rated 4.4 / 5Rated 4.4 / 5
Recommended

Did the job with ease

Was this helpful? 9

Anonymous Verified Customer October 2016
Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5
Recommended

Good

Was this helpful? 9

Richard Verified Customer July 2016
Rated 3.8 / 5Rated 3.8 / 5Rated 3.8 / 5Rated 3.8 / 5Rated 3.8 / 5
Recommended

I bought this as a straight replacement for an older lock of the same type (having bought a flat which had once been used as a holiday rental so I didn't know how many keys there were out there nor who had them). I'd hoped it would just slot in where the old one had been so it would be just a case of tightening some screws. In fact although the dimensions given are the same as the older ones it's a fraction wider and the bolt throws slightly to the side, so if you're planning to replace one as I did be aware that a small amount of chisel-work is needed. However once that's done it seems a good lock for the price.

Was this helpful? 9

Anonymous Verified Customer March 2016
Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5Rated 5 / 5
Recommended

Great!

Was this helpful? 10

Anonymous Verified Customer February 2016
Rated 3.8 / 5Rated 3.8 / 5Rated 3.8 / 5Rated 3.8 / 5Rated 3.8 / 5
Recommended

V good

Was this helpful? 4

Accessories

Add at Checkout

Thumbnail of Asec Spare Key

Spare Key

Keys are of course included, but we can cut you a spare.
Please allow 4 additional days for delivery.
£7.20
Delivery

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Returns

Returns

Replacements
If you are not completely satisfied with your purchase, simply return the item to us in its original condition and packaging within 14 days of receipt and we will issue a full refund, excluding upgraded delivery services.
More information about returns
FAQs [2]

FAQs (2)

» Ask Question   

 
Can the 3G110 and 3G114 be keyed alike?
Miguel, London
Unfortunately not as one works on a Detainer and the other is a Lever type lock.
Tom W
Was this helpful? 33
 
Can you confirm that both the Union 3G114E and Union 3G114 both have a 40mm backset?
Patrick, Croydon
Both the 3G114E and 3G114 do have a 40mm backset, based on the 67mm case depth measurement.
Tom W
Was this helpful? 32
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Keyed Alike

Keying Options

Keyed to Differ or Keyed Alike locks?

As standard the Union C-Series 3G114E - BS 5 Lever Deadlock (67mm, Polished Brass) is supplied Keyed to Differ which means the lock includes a set of keys that are unique and will only open this lock. If you require multiple locks you can choose to have them all Keyed Alike, meaning that each lock can be opened using the same key.

What is Keyed to Differ?

  • Keyed to Differ is the standard way a lock is supplied.
  • Each lock is opened by its own unique key.
  • Each lock includes a unique set of keys.
  • Covered by our returns policy.

What is Keyed Alike?

  • Each key can open multiple locks - the same key could unlock your house and office.
  • Locks need to be the same brand and number of levers.
  • Keyed Alike locks include one set of keys regardless of how many locks are purchased.
  • Made to order so NOT covered by our returns policy.
  • It is possible to order this lock Keyed Alike here