Assist Locks is run by Karen Menpes, a fully qualified MLA-approved female locksmith based in Isleworth (TW7). Karen provides fast, reliable locksmith services to homes and businesses across Twickenham, Isleworth, Teddington, Whitton and surrounding areas. Available 7 days a week. Non-destructive entry tried first on every callout.
Serving Since
Happy Customers
Checkatrade Rating
Master Locksmith Association



Locked out of your home or business? Karen provides a rapid emergency response across Twickenham, Isleworth and the surrounding TW postcodes, typically arriving within 20 to 30 minutes. Available 7 days a week including evenings and bank holidays.
Expert repair and replacement of all door lock types, from traditional mortice locks on Victorian front doors to multi-point locking mechanisms on composite and uPVC doors. Karen carries a full range of parts in her van for same-visit repairs.
Karen repairs, replaces, and upgrades uPVC door locks across Twickenham and Isleworth. Whether your lock is jammed, the handle has dropped, or the multipoint mechanism has failed, Karen carries genuine parts to fix most uPVC doors on the same visit.
Karen repairs and replaces composite door locks across Twickenham, Isleworth, and the surrounding TW postcodes. Common jobs include cylinder replacements, anti-snap upgrades, and full multipoint mechanism repairs on Solidor, Apeer, and other composite doors.
Full residential locksmith services including lock fitting, key cutting, home security reviews, and complete lock replacements after a break-in or when moving into a new property. Karen works on all door and window types.
Protecting local businesses with master key systems, access control solutions, commercial-grade locks, and panic bar installations for offices, shops, restaurants and industrial units across west London.
Karen has been working as a professional locksmith since 2012 and is one of the very few female locksmiths in the London Borough of Richmond upon Thames and Hounslow. She holds a City & Guilds Locksmith Certificate, is a full member of the Master Locksmith Association (MLA), DBS checked, and has been Checkatrade-registered since 2015 with a 4.9 star rating. Non-destructive entry is always tried first on every callout, meaning Karen will pick your lock before resorting to drilling. This saves you the cost of a replacement lock and the inconvenience of waiting for one.
Based in Isleworth (TW7), Karen covers all of west and south-west London. From her Isleworth base she can usually reach customers across the TW and KT postcodes within 20 to 30 minutes. Click any area below to see services available there.
Posted on Simon HawleyTrustindex verifies that the original source of the review is Google. Excellent service. Good communication, reliable and efficient. Would thoroughly recommend. 👍🏻Posted on Gabriele NegriTrustindex verifies that the original source of the review is Google. Karen has been absolutely fantastic. She came over to change the locks to our new house at a very reasonable price. We also had a lovely chat. I absolutely recommend her as your locksmith!Posted on Claire SaraTrustindex verifies that the original source of the review is Google. Reliable and trustworthy service from Karen, and at an excellent price point. Highly recommend, particularly for us gals- we’ve all had ‘that’ experience with a dodgy locksmith. Will definitely use Karen again moving forward.Posted on Carole HarbardTrustindex verifies that the original source of the review is Google. Karen of Ladylocksmith is totally professional, she communicates well and is skilled at changing locks. She was prompt for the scheduled appointment.Posted on Dave GaleTrustindex verifies that the original source of the review is Google. Have used Karen twice now. She is honest, reliable, creative in finding (economical) solutions and her charges are fair. What's not to like?Posted on H WTrustindex verifies that the original source of the review is Google. Karen was brilliant. She responded promptly to my message about a uPVC door that was jammed. She came over the same afternoon, sorted it out in under half-an- hour and at a reasonable cost. It was obvious that she really knew her stuff. Excllent all round.Posted on Alexander BarnesTrustindex verifies that the original source of the review is Google. Great service - Karen is quick and efficient, and goes beyond just doing the basics.Posted on Michael FTrustindex verifies that the original source of the review is Google. Karen was very helpful. She explained clearly what was needed, and carried out the work quickly and efficiently.Posted on Alison FurberTrustindex verifies that the original source of the review is Google. Very knowledgeable and skilled locksmith and also very helpful and reliable - highly recommend!Posted on Edward CorbettTrustindex verifies that the original source of the review is Google. Karen is quick, helpful and expert. Why would I go anywhere else?
Call Karen directly on 07795 280621 or send a WhatsApp message with your location and the problem.
You will receive an honest, upfront price before Karen sets off. No hidden fees, no call-out charges, and no inflated emergency rates
Karen aims to reach you within 20 to 30 minutes from her Isleworth base. She carries a full range of locks and parts in her van for same-visit repairs.
Your lock issue is resolved quickly and professionally. You only pay on completion — no deposits required.
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Karen aims to reach customers across Twickenham, Isleworth, and the surrounding TW postcodes within 20 to 30 minutes from her Isleworth base. Response times can be longer during peak hours or for areas further out like Kingston (KT1/KT2).
Costs depend on the job, the time of day, and any parts needed. As a general guide, the first hour of a locksmith callout in west London is typically between £70 and £90, with parts charged separately. Karen will always give you an honest quote before starting any work, with no hidden fees.
No, not unless absolutely necessary. Karen always tries non-destructive entry first, picking your lock open without damaging it. This means you usually do not need to replace the lock after a lockout, saving you the cost of a new one.
Yes. Karen is available 7 days a week including evenings and bank holidays. Call 07795 280621 to check current availability and response time.
Many customers, particularly women living alone, elderly residents, or those recovering from a break-in, prefer having a female locksmith in their home. Karen is DBS checked, MLA approved, and Checkatrade-registered, giving you the same technical expertise with the added reassurance of an independently vetted local locksmith.
Yes. Karen is a full member of the Master Locksmith Association (MLA), the UK’s most respected trade body for vetted, professional locksmiths. MLA membership means Karen has been independently checked, qualified, and approved to a professional standard. You can verify Karen’s MLA membership at locksmiths.co.uk.
Call now for fast, friendly, and professional locksmith services across Twickenham, Isleworth and west London. No call-out fee, no hidden charges — just honest, reliable work from a fully qualified female locksmith.
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