How Much to Change Locks on Your House in the UK?
If you're asking “how much does it cost to change locks on a house in the UK?" the short answer is: It depends on the lock type, number of locks, and whether it’s an emergency call-out.
For most homeowners, the total cost is made up of:
The type of lock being fitted
The labour required
Whether it’s a planned visit or urgent locksmith job
A simple lock change can be relatively affordable, while more complex replacements or emergency call-outs will cost more.
What Affects the Cost of Changing Locks?
Several key factors influence locksmith prices in the UK:
1. Type of Lock
Different locks vary in complexity and cost:
Rim locks – usually quicker and cheaper to replace
Euro cylinder locks – common in uPVC doors and often straightforward
Mortice locks – more complex and labour-intensive
2. Condition of the Existing Lock
Costs may increase if:
A key has snapped inside the lock
The lock has failed internally
The door is locked shut
These situations require additional labour to safely remove damaged components.
3. Number of Locks
Replacing:
One lock is significantly cheaper
All house locks (e.g. after moving or lost keys) increases total cost
4. Type of Door
Wooden doors (mortice locks) often require more precise fitting
uPVC doors may involve multipoint mechanisms, not just the cylinder
Average Locksmith Prices in the UK
As a general guide, locksmiths in the UK typically charge:
£90 – £150 per lock for standard replacement
Average cost: £100 – £125
Typical Lock Replacement Costs
uPVC door lock (euro cylinder): £85 – £150
Anti-snap security lock: £125 – £170
Mortice lock (wooden door): £90 – £170
Night latch (Yale lock): £75 – £150
Garage door lock: £90 – £120
Prices include both parts and labour in most cases.
Additional Costs to Consider
Call-out fee: £60 – £80 (often included, but may increase out of hours)
Emergency work: Can add 50%–100% to the total cost
Higher security locks (e.g. BS3621): Cost more
Complex jobs (e.g., multipoint mechanisms): Increase labour time
Prices vary depending on the door type, lock condition, and urgency of the job.
Typical Costs by Lock Type
Rim Locks
Usually one of the most affordable options
Common on older front doors
Quick to replace
Mortice Locks
Higher cost due to precision fitting
Includes sash locks and British Standard locks
May require adjustments if the door cut-out is worn
Euro Cylinder Locks
Often quick to change
Cost depends on security level:
Budget cylinders → lower cost
Anti-snap cylinders → higher cost but improved security
uPVC Door Lock Replacement Costs
uPVC locks can be more complex than they appear.
Simple Scenario:
Cylinder replacement only → relatively quick and affordable
More Complex Issues:
Faulty gearbox or multipoint mechanism
Misalignment or worn components
In these cases, both labour and parts costs increase, which is why prices can vary significantly between similar jobs.
Emergency Locksmith Costs & Call-Out Fees
Emergency locksmith services are priced higher because of urgency and availability.
Typical factors include:
Call-out fees
Time of day (night/weekend rates)
Complexity of gaining access
Emergency jobs may involve:
Opening locked doors without damage
Temporary security fixes
Emergency boarding after forced entry
Always ask:
Are parts included?
Is the quote fixed?
Are there extra charges for timing or specialist locks?
When Should You Change Your Locks?
Changing locks is recommended in several situations:
Lost or Stolen Keys
Even if keys might be found later, replacing locks protects your home immediately.
Moving Into a New Property
You can’t know how many spare keys exist. A lock change ensures full control.
Worn or Faulty Locks
Signs include:
Key sticking
Rough turning
Loose or stiff handles
Replacing early is often cheaper than dealing with a full lock failure.
Should You Buy Your Own Locks?
Some homeowners try to reduce costs by purchasing locks themselves.
This can work for:
Simple, like-for-like replacements
However, risks include the following:
Buying the wrong size or type
Increased labour time if parts don’t fit
In most cases, using a locksmith ensures:
Correct parts
Proper fitting
Better overall value
Choosing a Professional Locksmith
A reliable locksmith should:
Assess your door and lock properly
Recommend suitable replacements
Clearly explain pricing
It’s always best to choose an MLA-approved locksmith to ensure the work is carried out to recognised industry standards.
Ensure smooth, secure operation after fitting
For homeowners in Cambridgeshire, Cambs Lock & Safe offers:
Lock changes and repairs
Security upgrades
24-hour emergency locksmith services
You can get in touch via the website’s contact page for advice or a quote.
Final Answer: How Much Does It Cost?
So, how much does it cost to change locks in the UK?
Typical costs vary depending on:
Lock type
Number of locks
Labour complexity
Emergency vs planned work
✔ A simple cylinder change = lower cost✔ Mortice or uPVC mechanism replacement = higher cost ✔ Emergency call-outs = premium pricing
Conclusion
Changing your locks is an important part of home security, whether you're dealing with lost keys, moving house, or worn-out locks.
The best approach is to use a trusted locksmith who can:
Assess your needs properly
Recommend the right solution
Complete the work safely and efficiently
For clear advice and professional service, Cambs Lock & Safe provides reliable locksmith solutions tailored to your property with clear upfront costs.
