Union Replacement Keys: Key Codes, Compatible Keys & Where to Buy

Union makes mortice keys, cylinder keys, door keys, padlock keys. We stock replacement keys for Union locks across 19 product categories, with 71 key types available. Find your Union key code on the lock or original key and order an exact cut-to-code replacement below.

About Union

Union is a heritage British lock brand with over 180 years of manufacturing experience. They produce a comprehensive range of mortice locks, cylinder locks, and door furniture for residential and commercial properties.

• Founded: 1840
• Headquarters: Wolverhampton, UK
• Known for: Mortice locks, cylinder locks, door locks, and commercial locking systems

What Union Products Use Keys?

Union manufactures mortice locks, cylinder locks, door locks, and commercial locking systems. The types of keys used in Union products include:

• Mortice keys
• cylinder keys
• door keys
• padlock keys

Each lock type uses a specific key profile, so knowing your lock brand and key code is essential when ordering a replacement.

How to Find Your Union Key Code

To order a replacement Union key, you need your key code. Here is where to look:

1. On the lock face: Look for a stamped code number on the front of the lock cylinder or lock body
2. On the original key: The code may be stamped on the bow (handle) of your existing key
3. Product documentation: Check the manual, receipt, or warranty card that came with the product
4. On the product: Some products have the key code on a label on the back, underside, or inside the unit
5. Contact Union: The manufacturer can often provide the key code from a serial or model number

Once you have the code, you can order an exact replacement from our store, cut to code and delivered to your door.

Compatible Union Replacement Keys

The table below shows all Union replacement keys currently available in our store. Find your key code range and click through to order.

Frequently Asked Questions

What replacement keys do you stock for Union?

We stock replacement keys for Union locks including mortice keys, cylinder keys, door keys. All keys are cut to your exact code and delivered to your door. Browse our 19 collections below to find your Union key.

How do I find my Union key code?

Look on the lock face for a stamped code number. The code may also be on the original key, in the product documentation, or on a label on the product. If you cannot find the code, contact Union with the product model or serial number.

How many Union key types do you stock?

We currently stock 71 different Union key types across 19 product categories. See the compatible keys table above for the full range.

Can I order a Union key without the original?

Yes, as long as you have the key code, you can order a replacement Union key without the original. The code is usually found on the lock face, product documentation, or by contacting the manufacturer.

How long does delivery take for Union keys?

We aim to dispatch all orders promptly. Union replacement keys are cut to code in our workshop and posted to you. Most UK orders arrive within a few working days.