Residential Locksmith in Earlsfield

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Whether you live in one of the Victorian terraces near Earlsfield station, a flat on the Henry Prince Estate, a maisonette off Allfarthing Lane, or a new-build on Ravensbury Terrace, your home security comes down to the same fundamentals: good locks, properly fitted, on doors and windows that close and latch correctly. That is what we do.


SMS Locksmith handles the full range of residential locksmith work across Earlsfield and SW18. From the 2am lockout to the Saturday morning lock change after moving house, from the broken window catch to the full property security review. No job is too routine and no call is too late.


When Earlsfield homeowners call us

People call us for all sorts of reasons, and the right solution depends entirely on the situation. Some of the most common reasons we get called out to residential properties in Earlsfield include:

       Just moved into a new property and want all the locks changed, because you have no idea who has copies of the existing keys

       Lost your keys and need the locks replaced before you go to bed tonight

       Relationship breakdown where an ex-partner still has keys and you need to re-secure the property quickly

       Insurance company has told you that you need British Standard BS3621 locks fitted

       Elderly parent or relative needs easier-to-use lock hardware, like thumbturn cylinders instead of double-key setups

       Landlord changing tenants and needs locks changed between lets

       Window locks broken or missing on ground-floor rooms, which is a common issue on older Earlsfield properties

       General security concern where you just want someone experienced to look at your setup and tell you if it is any good


How we work

We look at what you currently have, listen to what you need, and recommend something proportionate. We are not going to push expensive high-security hardware on every door in the house if a simple cylinder swap does the job. Equally, if your front door has a fifteen-year-old euro cylinder with no anti-snap protection, we will tell you, because that is the kind of lock that gets broken into every week in South London.


We carry a full range of locks, cylinders, handles and hardware in the van. Most residential jobs, whether lockouts, lock changes, repairs or adjustments, are completed in a single visit. For bigger jobs like full property re-keying or security upgrades across multiple doors, we will give you a clear price upfront before we start any work.


Understanding Earlsfield properties

We know the area well. The Victorian terraces typically have a combination of a night latch and a mortice deadlock on the front door, often with original or very old hardware that may not meet current insurance requirements. The converted flats above shops on Garratt Lane often have shared entrance doors with access control systems that need specialist attention. The newer builds tend to have UPVC or composite doors with multipoint locking systems that can fail if not maintained.



Understanding the property type and the lock type matters, because the right solution for a solid oak Victorian front door is completely different from the right solution for a composite door on a new-build flat.

For residential locksmith services in Earlsfield, call 020 3369 6009.

Popular lock change services in Wandsworth & Earlsfield

24-Hour Lock changes in Wandsworth

Our professional locksmiths can respond to emergency door lock change requests within 30 to 45 minutes. If you schedule the locksmith service a few hours in advance, we may apply a discount to the price.

Lock upgrades in Wandsworth

Wondering if your security is up to date, if your insurance will cover you in the case of a break-in. SMS Locksmiths can assist in these situations, we hold stock in our vans and can cover 90% of cases on the first visit. In addition, each of our locksmiths is CRB checked to ensure their professionalism and credibility. This means we can also change locks in schools, hospitals and public buildings.

High-Quality Locks at Affordable Prices

SMS Locksmiths always supplies high-quality locks, including British Standard locks. Our locksmiths recommend British Standard locks because of their reliability and durability. Free insurance advice is available upon request. We provide options on site ranging in price and security level to suit your needs.

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Our lock change locksmith will be able to change door locks, window locks, post box locks and many more.

Lock Replacement

Are you considering a door lock replacement? Enhancing your property's security with an upgrade, welcoming a new tenant and ensuring fresh access control, or recovering from a recent burglary to restore safety and peace of mind? SMS Locksmiths specializes in delivering professional lock replacement services. Every lock we supply and install is backed by a comprehensive one-year warranty, covering both materials and workmanship for added confidence.

Commercial Locks

SMS Locksmiths offer commercial lock change services for offices, stores, and other businesses in and around Earlsfield. We provide professional locksmith services for cash registers, lockers, master key systems, front doors, back doors, and any other door which needs to be secured. We can install window locks and upgrade your locks to high security locks to comply with insurance requirements for your business.

Window lock changes

Boost the security of your Earlsfield property with expert window lock changes and upgrades from SMS Locksmith. Whether you're addressing worn mechanisms, enhancing protection after a security concern, or modernizing for better functionality, our local DBS-checked technicians provide non-destructive installations to keep your windows intact and secure.

Lock upgrades

Upgrade your locks to enhance security and peace of mind for your Earlsfield home or business. Whether you want to boost protection against break-ins, meet insurance requirements, or switch to modern keyless systems, SMS Locksmith offers expert lock upgrade services tailored to SW18 properties. We can upgrade locks to different brands and provide the carpentry skills needed for these types of jobs.

UPVC Lock changes

SMS Locksmith Earlsfield specializes in UPVC lock changes for doors and windows, helping you restore security and functionality without hassle.

We offer:

  • Secure UPVC Lock Replacements: Swap out faulty euro cylinders or multi-point mechanisms with anti-snap, BS-compliant options to prevent break-ins.


Post box lock changes

Need a new post box lock in SW18? Whether your key has snapped, the lock is jammed, or you simply want a stronger, more secure lock, SMS Locksmith Earlsfield can replace it quickly and cleanly.

All post box lock changes come with a full one-year warranty on parts and labour.

Changes for fire safety

Upgrade to fire safe locks in SW18 for enhanced protection against fire risks and compliance with safety regulations. Whether you're replacing locks on fire doors, safes, or emergency exits, SMS Locksmith Earlsfield provides expert changes using certified, fire-resistant hardware to safeguard your property and occupants.

Bedroom door lock changes

Looking for a bedroom door lock change in SW18? Whether you need to replace a faulty internal lock for privacy, add child-safety features, or upgrade after wear and tear, SMS Locksmith Earlsfield provides quick and reliable services to keep your home secure and functional.


  • Replacing standard bedroom door locks with durable, easy-to-use options like thumb-turn or keyed cylinders
  • Installing privacy locks or emergency release mechanisms for bathrooms and bedrooms
  • Upgrading to modern designs with smooth operation and keyless entry for convenience
  • Providing spare keys and adjustments to ensure a perfect fit
  • Installing BS-compliant fire-rated locks and cylinders for doors and safes
  • Replacing standard locks with fire-resistant models that withstand high temperatures
  • Fitting multi-point systems for fire doors in residential or commercial settings
  • Providing spare keys and master key options for easy access control

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