For property and business owners, lock replacements enhance security and peace of mind. Common types include British Standard and smart locks. Consider our trusted, professional service for your needs. contact us today.


We guarantee a 30-minute arrival in London for urgent lock issues.



Since our inception in 2011, All Service 4U has been dedicated to providing exceptional locksmith services across London. Our commitment to excellence and customer satisfaction has been the cornerstone of our growth and reputation.
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We’ve built trust with a no call-out fee policy and positive customer reviews, emphasising quality and reliability in every job.
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Our history in London has shaped our understanding of diverse security needs, ensuring tailored solutions for every client.
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Our team comprises NICEIC approved contractors and Safe Contractor approved professionals, guaranteeing skilled expertise for your security.
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All lock replacements come with a 12-month warranty, ensuring your investment in our services is protected and dependable.
Our team’s expertise is validated by Gas Safe, NICEIC, ISO 9001, and ISO 45001 certifications, ensuring top-tier service for your peace of mind.
Choosing professional lock replacement services ensures that your property’s security is not compromised. Our experienced locksmiths provide reliable installations that meet industry standards and insurance requirements.

Our comprehensive lock replacement services cater to your unique needs, ensuring security and peace of mind for your property.
Available 24/7, we respond to your emergency lock issues promptly, ensuring you’re never left stranded, no matter the hour.
We prioritise your property’s integrity with non-destructive entry techniques, safeguarding your doors and windows during lockouts.
From traditional to high-tech locks, our replacements are tailored to enhance your property’s security with minimal disruption.
Our security assessments and upgrades are designed to fortify your home against potential intrusions and breaches.
We integrate smart lock technology, offering you convenience and advanced control over your property’s access points.
Post-burglary, our repair services restore your security swiftly, with durable solutions to prevent future incidents.
Our esteemed clients, including Dominoes, McDonald’s, and Costa, trust us for reliable lock replacements and dedicated service.





We begin with a free consultation to understand your lock replacement needs and provide a transparent quote.
Our team schedules your service at a convenient time, ensuring all necessary tools and locks are prepared.
We perform the lock replacement with precision, ensuring your property’s safety and security throughout the process.
After installation, we conduct a thorough check and offer guidance on maintaining your new lock system.
Our commitment to innovation ensures your locks are installed using the latest, most secure technologies, backed by unparalleled customer service and a steadfast dedication to long-term security solutions.
After your LOCK REPLACEMENTS in London, our commitment to you doesn’t end. We offer ongoing support to ensure your locks function flawlessly. Regular maintenance by our experts can prevent unexpected failures, extend the life of your locks, and maintain the security integrity of your property.
For maintenance requests, including property maintenance for estate agents, you’re assured a quick response. Accessing our services is straightforward: simply reach out, and we’ll schedule a visit. Our proactive approach means we’re always ready to assist, keeping your locks in prime condition.
At All Service 4U, we pride ourselves on providing bespoke lock replacement solutions. We consider your property’s specific security requirements, your personal preferences for lock types, and any unique architectural features. Our team collaborates closely with you to ensure that the service we deliver aligns perfectly with your expectations and security needs.
From the initial consultation to the final installation, our approach is to listen, adapt, and execute with precision. Whether you require advanced smart lock systems for a modern setup or robust high-security locks for commercial premises, we tailor our services to fit your exact situation.
At All Service 4U, our adherence to stringent quality standards is unwavering. Each lock replacement project is benchmarked against industry best practices, ensuring longevity and security. Our technicians are rigorously trained and regularly updated on the latest security technologies, guaranteeing that our workmanship meets the high standards you expect.
Our commitment to excellence is reflected in the meticulous attention to detail our locksmiths apply to every task. We understand that the quality of our work directly impacts the safety and satisfaction of our clients, which is why we never compromise on the calibre of our service.
At All Service 4U, your safety is our top priority during lock replacements. We meticulously follow security protocols to ensure your property is protected throughout the service. Our locksmiths are trained to handle your security needs discreetly and efficiently, minimising any risk to your safety or property.
Enhancing your security is at the heart of our service. Post-replacement, we provide expert advice on maintaining your new locks and keeping your property secure. Trust us to fortify your defences with high-quality lock installations that stand the test of time.

Please Call To Book A Plumber – Free No Obligation Quote with no hidden fees. We are professional and friendly.
At All Service 4U, we cater to both residential and commercial lock replacement needs with precision and care.

At All Service 4U, we serve a diverse range of sectors, each with unique security needs that we expertly meet.
For Healthcare facilities, we provide secure and hygienic lock solutions, prioritising patient safety and privacy.
In the industrial sector, we instal robust locks to withstand heavy usage and protect against industrial espionage.
Our work with public buildings ensures high-traffic areas are secure yet accessible, balancing safety with public service.
heritage properties receive our specialised care, preserving aesthetics while upgrading to modern security standards.
Retail clients benefit from our high-security locks that protect against theft while maintaining customer accessibility.
Our hospitality solutions focus on guest safety and management ease, using advanced lock technology.
Educational institutions trust us for locks that safeguard students and staff while maintaining a welcoming atmosphere.
Our locksmiths are MLA approved, ensuring they meet the Master Locksmiths Association’s rigorous standards.
All Service 4U provides insurance-backed services, giving you confidence during lock replacements. Our locksmiths undergo continuous training to stay ahead of industry advancements, ensuring compliance with the latest security standards and providing you with the most secure lock solutions available. Your safety and satisfaction are the cornerstones of our business, reflected in our commitment to excellence and due diligence.


Contact us to schedule your lock replacement; we’ll handle the details for a hassle-free experience.
Our locksmiths arrive promptly, equipped to complete your service efficiently with minimal disruption.
We communicate clearly, ensuring you understand each step of the lock replacement process.
| Rates | Mon-Fri 7am-6pm | Mon-Fri 6pm-12am | Saturday 7am-6pm | Saturday 6pm-12am | Sunday 7am-6pm | Sunday 6pm-12am | Mon-Sun 12am-7am |
| Appliances | £99.00 | £149.99 | £149.99 | £149.99 | £149.99 | £149.99 | £199.00 |
| Fridge/Freezers | £99.00 | £149.99 | £149.99 | £149.99 | £149.99 | £149.99 | £199.00 |
| Plumbing | £99.00 | £149.99 | £149.99 | £149.99 | £149.99 | £149.99 | £199.00 |
| Electrics | £99.00 | £149.99 | £149.99 | £149.99 | £149.99 | £149.99 | £199.00 |
| Heating & Gas Work | £99.00 | £149.99 | £149.99 | £149.99 | £149.99 | £149.99 | £199.00 |
| Drain Jetting & CCTV | £164.99 | £194.99 | £194.99 | £194.99 | £194.99 | £194.99 | £219.00 |
| boiler Service | £99.00 | £164.99* | £164.99* | — | £164.99 | — | — |
| Gas Safety Certificate | £99.00 | £164.99* | £164.99* | — | £164.99 | — | — |
| Locksmith lock change labour | £59 | £69 | £69 | £69 | £69 | £69 | £69 |
Equipment & Materials
High-Quality Selection
At All Service 4U, we use only the highest quality materials and equipment for every lock replacement..
Security and Durability
Our materials are chosen for their proven durability and ability to enhance the security of your property.
Staying Technologically Advanced
We continuously update our methods to include the latest advancements in lock technology, ensuring your security is never outdated.
Project Timeframes
At All Service 4U, we value your time. Typical lock replacement projects are completed swiftly, often within the same day, ensuring minimal disruption to your routine.
Ensuring Timely Completion
We meticulously plan to ensure your lock replacement stays on schedule, respecting your time commitments.
Managing Delays
Client Updates
We keep you informed about progress and timeframes, ensuring transparency and peace of mind throughout the lock replacement process.

Please call to book a property maintenance expert for property maintenance for short-term lets – free, no-obligation quotes with no hidden fees. We are professional and friendly.
Our team’s expertise ensures your lock replacements are handled professionally.
We’re here for you 24/7, addressing your concerns promptly.
We anticipate your needs for a personalised service approach.
From initial contact to service completion, we guarantee a smooth and stress-free customer journey.

Explore our FAQs to understand how we ensure legal compliance and navigate GDPR in lock replacements.
When considering lock replacements, property and business owners, including those responsible for schools and nurseries maintenance, often seek advanced technologies that offer superior protection and convenience. Smart locks and biometric systems are at the forefront of this technological revolution, providing keyless entry options and personalised access control. These systems not only enhance the security of your property but also offer features such as remote access, audit trails, and integration with home automation systems.
Smart locks are a popular choice for those looking to upgrade their property’s security infrastructure. They allow you to unlock your door with a smartphone app, a code, or even a fingerprint, depending on the model. This means no more worrying about lost keys or unauthorised key duplication. Additionally, many smart locks come with features that let you grant temporary access to visitors and monitor who comes and goes.
Biometric systems take security a step further by using unique physical characteristics, such as fingerprints or iris scans, to grant access. This ensures that only authorised individuals can enter your property, making it nearly impossible for intruders to bypass the system. Biometric locks are particularly useful for high-security areas or for individuals who require stringent access control.
When selecting advanced lock technologies, consider the level of security required, the ease of use, and the compatibility with your existing systems. It’s also important to think about the potential need for remote access or integration with other smart home devices.
We stay abreast of the latest security technologies by attending industry conferences, participating in professional locksmith associations, and engaging with manufacturers for training on new products. This commitment ensures that we can offer you the most current and effective security solutions for your lock replacement needs.
For personalised advice on enhancing your property’s security with advanced lock technologies, contact us. Our experts are ready to guide you through the options and help you make an informed decision that aligns with your security requirements and lifestyle.
Regular maintenance is crucial for ensuring the longevity and reliability of your newly replaced locks, particularly in heritage properties where older doors and frames can contribute to wear, misalignment, and the build-up of dirt over time. By maintaining your locks, you’re not only securing your property but also helping to avoid potential costs for repairs or replacements in the future.
We provide comprehensive maintenance services that include:
Regular maintenance can preemptively address issues before they escalate. For instance, a misaligned lock can lead to a key breaking inside the cylinder, but early detection and realignment can avoid such inconveniences. Similarly, a well-lubricated lock mechanism is less likely to seize up, especially during colder months when metal components can contract and cause stiffness.
To maintain your locks effectively:
By following these tips and utilising our maintenance services, you can ensure that your locks remain in optimal condition, providing you with security and peace of mind. If you’re unsure about how to maintain your locks or if you need professional maintenance services, contact us. Our team is ready to assist you with expert advice and service.
When it comes to enhancing the security of your property, one size does not fit all. That’s why we, at All Service 4U, take a personalised approach to lock replacements, ensuring that each solution is tailored to meet your specific security requirements and preferences.
Assessing Your Security Needs
Our process begins with a thorough assessment of your property’s current security measures. We consider various factors such as the location of your property, the type of property you own, and your personal security concerns. This assessment allows us to understand the unique challenges you may face and the level of security you desire.
Customised Security Solutions
Based on our assessment, we recommend lock systems that align with your needs. Whether you require high-security locks for a commercial property, smart locks for convenient access, or British Standard locks for insurance compliance, we have the expertise to provide the most appropriate solutions.
Enhancing Overall Property Security
Our tailored solutions do more than just replace locks; they enhance the overall security of your property. By choosing locks that are suited to your specific situation, you benefit from increased protection against break-ins and unauthorised access.
Examples of Tailored Solutions
We have helped numerous clients secure their properties with customised lock replacements. For instance, a local retail store benefited from our installation of anti-snap cylinders to prevent lock picking and snapping, a common burglary method. In residential property maintenance, one client chose a smart lock system that allowed them to control access remotely and receive alerts on their smartphone.
By choosing All Service 4U for your lock replacement needs, you’re not just getting a new lock; you’re upgrading to a security solution that’s designed just for you. If you’re ready to discuss your lock replacement options and how we can tailor them to your property, contact us today. Our team is ready to provide you with a secure, personalised solution that gives you peace of mind.
When it comes to securing your property, selecting the right lock is a critical decision. We at All Service 4U are here to guide you through this process, ensuring that you choose a lock that meets your specific security needs and preferences.
Factors to Consider When Selecting a Lock
Catering to Different Security Needs
Different lock types cater to varying security needs:
Guidance Provided by All Service 4U
Our team offers expert advice on lock selection:
Choosing the right lock is about balancing security, convenience, and budget. With our expertise, you can rest assured that your property will be equipped with a lock that provides the security you need and the peace of mind you deserve. If you’re ready to discuss your lock replacement options, contact us today, and let’s secure your property together.
When it comes to lock replacements, property and business owners like you often have several concerns. You might wonder about the security, cost, and the disruption a lock replacement might cause. We understand these concerns and are here to address them, ensuring a smooth and reassuring process.
Security Concerns
You may worry that a new lock won’t provide the same level of security as your current system. We address this by offering high-quality locks that meet British Standards and by providing professional installation services that ensure your new lock is fitted correctly and functions as intended.
Cost-Effectiveness
The cost of lock replacement is another common concern. We believe in transparent pricing, providing you with a detailed quote upfront, so there are no surprises. Our competitive rates ensure that you receive value for your money without compromising on quality.
Installation Process
The thought of having your daily routine disrupted by the installation process can be daunting. We minimise this by working efficiently and scheduling our services at a time that’s convenient for you. Our locksmiths are trained to work quickly and cleanly, ensuring that the disruption to your day is kept to an absolute minimum.
Ensuring Your Confidence
To ensure your confidence in our lock replacement process, we:
We want you to feel secure in your choice to work with us for your lock replacement needs. Our team is committed to providing you with a service that not only meets but exceeds your expectations. If you’re ready to discuss your lock replacement options, or if you have any further questions, please contact us. We’re here to help you secure your property with confidence.
Preparing for a lock replacement is straightforward, but a few steps can ensure the process is as smooth as possible. Here’s what you can expect and how to prepare for our visit:
By following these simple steps, you can prepare for your lock replacement and ensure a hassle-free experience. Our team at All Service 4U is committed to providing you with a secure and satisfactory service. If you have any questions or need to schedule a lock replacement, please contact us. We’re here to help secure your property with expert care.