Changing Locks UK Cost: The Fixed Price Guarantee vs. Hidden Fees
- Jake Houston

- Dec 15
- 2 min read
Whether you've moved into a new home or suffered a break-in, knowing the cost to change your locks is essential. Unfortunately, many emergency locksmith services employ call-out fees, hourly rates, and out-of-hours surcharges that can lead to significant price shock. This guide breaks down typical UK lock replacement costs and explains why a fixed price guarantee is the only way to avoid hidden fees.
UK Average Costs for Common Lock Replacement Jobs
The price to change a lock depends entirely on the type of lock, its security standard, and the time of day you call. The part cost is often only a small portion of the overall bill.
Job Type | Average UK Price (Parts & Labour Incl. VAT) | Estimated Time |
Change Standard uPVC Cylinder | ≈ £100 - £125 | From 20 minutes |
Upgrade to Anti-Snap uPVC Cylinder | ≈ £125 - £150 | From 20 minutes |
Change 5-Lever Mortice Deadlock | ≈ £115 - £140 | From 30 minutes |
Unlock House / Gaining Entry | ≈ £85 - £110 | From 30 minutes |
The Hidden Costs You Must Look Out For
The biggest financial risk is hiring a locksmith without clear pricing, often resulting in:
Emergency Call-Out Fees: Many locksmiths charge a non-refundable fee just to arrive, typically between £50 and £150. This fee is charged even if the job isn't completed.
Out-of-Hours Surcharges: Standard rates often double or triple outside of 8 am – 6 pm, during weekends, or on bank holidays.
Hourly Rates: Some firms charge an hourly labour rate, which can reach up to £120 per hour after midnight.
Our Fixed Price Promise: Complete Transparency
At Peters Locksmiths, we believe stress requires transparency, not surcharges.
We offer a guaranteed Fixed Price: The price we quote is the final, fixed price. No hidden fees or surprise out-of-hours charges. We charge the same affordable rate 24/7, eliminating the risk of price gouging during an emergency.
Final Call to Action: Need clear, honest pricing for a lock change in Dorset? Get a fixed-price quote confirmed before we even travel. Call Peter directly on: 07304 073538.

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