Do I need to change my locks?
July 30, 2025
Why Changing Locks is Crucial: Key Scenarios and Importance
Changing the locks on your doors may not be something you think about often, but it plays a critical role in securing your home or business. Understanding when and why to change locks is essential to maintaining safety and security. This guide outlines the importance of lock changes and the scenarios where they become necessary.
Enhancing Security
Lock changes are a fundamental aspect of security maintenance. Old, worn-out locks are easier for burglars to pick or break, compromising your property’s security. Upgrading to new, high-security locks can protect against these vulnerabilities, ensuring that your premises remain safe from unauthorized access.
Key Scenarios for Changing Locks
1.) Moving into a New Home or Office
When you move into a new property, changing the locks is crucial. You never know how many previous tenants or owners might still have keys. Secure your space by ensuring only you and those you trust have access.
2. After a Break-in or Attempted Break-in
If your property has been burglarized or there was an attempt, changing the locks is a priority. This ensures that any compromised locks are replaced, and any potential security weaknesses are addressed.
3. Lost or Stolen Keys
Losing your keys or having them stolen is a direct threat to your property’s security. Change your locks immediately to prevent unauthorized persons from gaining entry.
4. Old or Worn-Out Locks
Over time, locks wear out and become less effective. Regularly updating your locks helps maintain a high level of security and functionality.
5. After Ending a Relationship
If you've ended a relationship where your former partner had keys to your property, changing your locks is a wise decision to ensure your privacy and security.
6. For Enhanced Security Features
Technology and security features improve over time. Upgrading to newer locks can provide enhanced security, like improved pick resistance, smart lock features, or integration with home security systems.
Impact on Home Insurance: The Risks of Not Changing Locks When Moving
One often overlooked aspect of moving into a new home is the impact it can have on your home insurance. Many homeowners may not realize that failing to change locks when moving into a new home can actually invalidate their home insurance policy. Here’s why this is critically important:
Insurance Requirements
Most home insurance policies have specific clauses that relate to the security of the property. These clauses often require that all points of entry are secured with locks that meet certain standards, and that the homeowner must ensure all keys are accounted for. If you move into a new home and do not change the locks, there is a potential risk that previous owners, tenants, or others could still have access to your home. If a break-in occurs and it is found that you did not change the locks, insurers may see this as a failure to secure the property adequately.
Validating Your Insurance
Changing locks when you move into a new home not only enhances your security but also aligns with the terms of most insurance policies, which often stipulate that you must take reasonable steps to secure your home. By changing your locks, you demonstrate compliance with these terms, which can be crucial in the event of a claim.
Professional Advice and Installation
To ensure that your home is not only secure but also compliant with insurance standards, it is advisable to use professional locksmith services. Locksmiths like SMS Locksmiths can provide and install locks that meet or exceed the security standards required by most insurance companies. They can also provide you with a certificate of installation, which can be useful documentation for your insurance provider.
Incorporating a lock change into your moving checklist is not just a security measure—it's also a critical step in ensuring that your home insurance remains valid. Overlooking this step can lead to significant risks, not only in terms of security but also in terms of potential financial loss if an insurance claim is denied due to non-compliance with policy requirements. Make lock changing a priority when you move, and consult with professional locksmiths to ensure that your home meets all required security standards.
This added section emphasizes the importance of changing locks from an insurance perspective, highlighting the potential risks and benefits associated with this practice. This reinforces the overall message of the blog post about the crucial role that lock changes play in home security and insurance compliance.
The benefits of professional lock change services
Using professional locksmith services, like SMS Locksmiths, ensures that your lock changes are done correctly and efficiently. Professionals have the tools and expertise to install various types of locks, from traditional models to the latest in security technology. They can also provide valuable advice on the best type of lock for your specific needs and security goals.
Conclusion
Changing your locks is a proactive measure that can significantly enhance the security of your property. Whether you’ve moved into a new home, experienced a break-in, lost your keys, or simply want to upgrade your security, lock changes are a vital part of maintaining safety. Don’t wait for a security breach to happen; take preventive measures by ensuring your locks are up-to-date and professionally installed.
For anyone considering a lock change, SMS Locksmiths offers reliable, quick, and professional services to meet all your security needs. Ensure your peace of mind by choosing the right professionals to handle your security upgrades by contacting SMS Locksmiths today

If you are looking for a lock change locksmith, you have come to the right place When someone searches for lock change locksmith, they’re seeking more than just a service—they want a trusted partner to keep their property safe. At SMS Locksmiths, we understand that replacing or upgrading locks is about security, peace of mind, and protection for your home or business. With years of experience serving London and the surrounding areas, our team of fully trained, DBS-checked locksmiths delivers reliable, professional lock change services every time. In this comprehensive guide, we cover everything you should know about changing locks—from why it matters and when to do it, to choosing the right locks and understanding the advantages of using professionals. By the end, you’ll know why SMS Locksmiths should be your first call for all lock and security upgrade needs. 1. Why Change Your Locks? Changing locks is about more than just replacing hardware. It’s a critical step in ensuring your property remains secure, especially when key control is uncertain. Here’s why professional lock changes are important: Unknown key holders: If previous occupants, tenants, or staff may still have keys, changing locks ensures only authorised persons have access. Wear and tear: Over time, locks can become loose or malfunctioning, making them less secure. Enhanced security measures: Upgrading to high-security or anti-snap locks can significantly reduce the risk of break-ins. Insurance compliance: Policies often require insurance-approved locks. A professional locksmith can recommend and install compliant hardware. 2. When You Need a Lock Change Here are common scenarios that warrant immediate lock replacement: Moving into a new property Keys lost, stolen, or unaccounted for After tenant departure or staff changes Following a burglary or break-in For security upgrades, including anti-snap or smart locks When locks show signs of wear or are difficult to operate 3. Lock Change vs. Lock Repair Knowing whether to repair or replace your lock is essential: Repair: Ideal if mechanisms are clogged or key entry is limited. Works best for wear-and-tear issues, and can be done quickly. Replace (Lock Change): Necessary if the lock is broken, non-operational, or security needs to be improved. Recommended for move-ins or post-burglary situations. At SMS Locksmiths, we assess and recommend the best option for both security and cost efficiency. 4. Types of Locks and Upgrades We specialise in a range of lock types suitable for different door types, usage scenarios, and levels of security: Lock Type Features & Benefit Whether your priority is keyless convenience, insurance compliance, or maximum protection, we have the right solution. Anti-Snap Cylinder Locks British Standard (BS3621) Deadlocks Multipoint Locking Systems High-Security Cylinder Locks Emergency Locks & Night Latches Smart/Keyless Entry Systems Security Hardware for Doors/Frames Window & Patio Door Locks Prevents forced entry commonly seen in burglaries. Insurance-approved, durable locks for wooden doors. Adds multiple locking points for uPVC or composite doors. Designed to resist drilling, picking, and bumping. Provides quick access control and additional security. Convenient, code-based access without traditional keys. Reinforced plates, hinges, and strike plates to prevent kick-ins. Secures all exterior openings—essential for full-property protection. 5. Our Lock Change Process Here’s how SMS Locksmiths ensures a smooth, fast, and secure lock change: 1. Initial Contact You provide details such as postcode, lock type, and availability. 2. Local Locksmith Assignment A professional locksmith from our London team is dispatched—no call-out fee. 3. Security Assessment on Arrival We check the door, frame, and current lock to determine the best solution. 4. Clear Quotation You receive a written, all-inclusive quote by text or email—no hidden fees. 5. Lock Change or Upgrade We install the replacement lock or upgrade components (cylinders, multipoint mechanisms) efficiently—most jobs are completed in under an hour. 6. Testing & Warranty Final checks ensure the lock operates smoothly. All work is covered by our workmanship warantee. 7. Documentation Provided You receive an invoice and insurance-compliant paperwork for your records. 8. Security Assessment and Upgrade Advice Our expert locksmiths don’t just change locks—they provide strategic advice to strengthen your security: Door frame reinforcement with metal strike plates Window and patio door upgrades with Yale or mortice locks Frame lining solutions to prevent drilling Home security risk assessments to identify weak points 9. Frequently Asked Questions Q. How much does a lock change cost? A. Usually between £100–£180 depending on the lock type. Includes all materials, labour, and zero call-out fee. Q. How long does it take? A. A typical lock change is completed within 60 minutes. Q. Are you insured? A. Yes—fully insured with DBS-backed locksmiths. Q. Do you work evenings and weekends? A. Yes—24/7 emergency availability is available. Call to schedule visits. 10. Need a Lock Change? Here’s How to Book Call us now for immediate assistance or to schedule a visit Message us via GMB or book through our website Email for a quote if you’d prefer to avoid phone calls Final Thoughts lock change locksmith isn’t just a search phrase—it’s a critical service for secure living and working environments. At SMS Locksmiths, we deliver top-tier products, expert service, and total transparency. Don’t leave your security to chance. Contact SMS Locksmiths today for fast, reliable, and guaranteed lock change services across London.

Getting locked out is never fun — but if you're in Clapham, help is just a call away. Whether it’s late at night or first thing in the morning, SMS Locksmith offers fast, reliable locksmith services throughout Clapham with no call-out charges and 30-minute average response times. Step 1: Don’t Panic We know it’s stressful, especially if it’s cold or you have somewhere to be. Try to stay calm and check for any open windows or alternative entry points (safely, of course). Step 2: Avoid DIY Entry Trying to force the lock or use makeshift tools can damage your door – and cost you more in the long run. Always leave it to a professional. Step 3: Call a Local Clapham Locksmith We’re based nearby and can usually be with you in under 30 minutes. Our experienced technicians use non-destructive methods wherever possible to get you back inside quickly and safely. Step 4: Consider a Security Upgrade If your lockout was due to a lost or stolen key, now might be the perfect time to consider upgrading your locks. We offer a full range of British Standard and high-security locks. Need help right now? Visit our Clapham Locksmith page or call us directly for immediate assistance.