Expect roughly $150 to $350 for a standard deadbolt replacement done by a professional, with higher costs for smart locks or high-security hardware. DIY hardware costs can be lower, but you trade savings for potential installation risk and warranty considerations.
Replacing door locks involves several components: the hardware itself, the labor to install or rekey, and any service charges or special requirements based on your door. This article outlines typical price ranges, factors that influence price, and practical tips to save money while keeping security up to date.
What drives the price of door lock replacement
Prices are shaped by the lock type, security level, whether you rekey or replace the cylinder, and who performs the work. The following list highlights the main cost drivers you’re likely to encounter.
- Lock type: mechanical deadbolts, knob/lever handles, and smart locks carry different hardware costs and installation complexities.
- Security grade: ANSI/BHMA grades (Grade 1, 2, or 3) affect both hardware price and protective features; higher grades cost more.
- Rekey vs cylinder replacement: rekeying changes the keying so existing keys won’t work, usually cheaper than full cylinder or lock replacement.
- Labor source: DIY installation saves labor but can invalidate warranties; professional installation or locksmith service adds labor and a service call.
- Service charges: travel or emergency/after-hours fees can add $50–$100 or more.
- Door and bore compatibility: older or non-standard doors may require extra drilling, alignment, or strike reinforcement, increasing time and cost.
In short, hardware price is only part of the picture; labor and any site-specific adjustments often determine the final bill.
Typical price ranges by lock type
Below is a practical guide to what you can expect to pay when hiring a professional to install or replace common lock types. Prices vary by region and contractor, so use these as a baseline for budgeting and quotes.
- Basic mechanical deadbolt replacement: typically $150–$300 installed (hardware priced around $20–$100, with labor constituting the majority of the cost).
- Door knob/lever handle sets (non-smart): generally $120–$250 installed, depending on style and security features.
- Door handle sets with integrated latch (including privacy or keyed options): about $120–$350 installed.
- Smart locks (electronic or Wi‑Fi/Bluetooth models): commonly $200–$500 installed for the lock itself, with installation labor often $50–$150 more; total can run $250–$650 depending on features and integration.
- High-security or Grade 1 deadbolts (upgraded bolts, reinforced strike, etc.): typically $200–$400 installed, sometimes higher for specialty hardware.
For rekeying instead of full replacement, costs are smaller but add up with multiple cylinders. A typical rekey service is around $15–$40 per cylinder plus a service call fee, often $50–$100.
Re-keying versus replacing the lock cylinder
Re-keying adjusts the existing lock so old keys no longer operate, without changing hardware. This can be a cost-effective option after losing keys or moving into a new home, provided the existing hardware is in good condition.
Re-keying costs
Common pricing includes a service call fee of about $50–$100, then roughly $15–$40 per cylinder rekeyed. If you have two or three locks, you’re often looking at $60–$180 total, depending on your area and the locksmith.
When to replace the cylinder instead of rekeying
If the lock is worn, compromised, or you’re upgrading security, replacing the cylinder (and rekeying the new hardware) can be more reliable. Expect about $50–$150 installed for a new cylinder plus service call; smart or high-security cylinders will cost more.
As a rule, rekeying is a cost saver for routine key management, while replacing gives you fresh hardware with the potential for improved security features.
Costs by scenario
Consider these common situations to gauge where your estimate might land. These scenarios assume professional installation.
- DIY replacement using purchased hardware: hardware cost only, typically $20–$60 for a basic deadbolt; no labor charges.
- Professional replacement of a basic deadbolt: $150–$300 installed, including typical mid-range hardware.
- Professional replacement with a door handle set: $120–$350 installed, depending on style and security level.
- Smart lock installation with basic integration: $200–$500 installed, with higher-end models potentially $500–$650 total.
- High-security or commercial-grade installations: $300–$1,000+ depending on hardware complexity and the number of doors/locks.
Note that locksmiths may apply a service-call/travel fee, especially for remote locations or after-hours work, which can add $50–$100 to the final bill.
Saving money on door lock replacements
Smart budgeting starts with strategy. The following tips help you reduce costs without compromising security.
- Get multiple quotes from providers to compare price and scope of work.
- Ask about rekeying as a first option before replacing hardware.
- Opt for standard, non-smart hardware if your priority is basic security and reliability.
- Request itemized estimates to avoid paying for unnecessary upgrades.
- Inquire about any bundled discounts if you’re upgrading multiple doors at once.
- Evaluate DIY installation for straightforward hardware, keeping warranties and safety in mind.
Carefully weighing options can yield a secure, convenient solution without overspending.
Summary
The cost to replace door locks depends on the type of lock, security level, and who performs the work. In general, plan for about $150–$350 for a basic mechanical deadbolt installed by a professional; smart locks and high-security hardware push into the $200–$600 range, and rekeying can cost far less if you only need to reset keys. Always compare quotes, consider rekeying first, and factor in possible service fees and installation complexity to avoid surprises.
How much does it cost to remove and replace a door lock?
The cost to change locks typically ranges from $50 to $600+ per lock installed, depending on the type of lock, security level, and installation complexity. Most contractors and facility managers budget $120 to $400 per lock for standard replacements.
How much does a handyman charge to change a lock?
Most homeowners hire local locksmiths, but handypersons and security specialists also offer this service. Expect minimum service fees from $40 to $75, with standard hourly rates from $50 to $120. Labor cost per lock ranges from $40 to $100, although you may be eligible for bundled pricing for multiple locks.
Is it cheaper to call a locksmith or replace a lock?
Many homeowners choose to call a locksmith to make sure the job is done correctly. Because the locksmith not only charges for labor but also the cost of the materials, changing locks is more expensive than a residential rekey (costs may be different for commercial locksmiths).
How much should it cost to replace a door lock?
Average uPVC lock replacement cost in 2026
The average uPVC lock replacement cost ranges from £70 to £150. These are all influenced by the factors above, such as the lock type.