Business Details
27 Years
experience
Your Trusted Doncaster Locksmith Experts
At SF Locksmith, we provide professional locksmith services throughout Doncaster and South Yorkshire, helping customers protect their homes, properties and business premises. Established in 1999, we have over 25 years of experience in the locksmith industry and take pride in delivering dependable assistance with a courteous and honest approach. As a qualified, accredited and DBS-checked locksmith, we are committed to maintaining high professional standards. Our services include working with door locks, window locks and associated components, using quality products, specialist tools and established techniques. We also provide practical security advice to help customers make informed decisions about protecting their properties.We understand the importance of receiving reliable assistance when dealing with lock-related problems. Our mobile locksmith service is supported by a well-stocked van, enabling us to carry a selection of locks and spare parts. We aim to attend on the same day and provide an efficient, responsive service. There is no charge for our locksmith call-out, and all locks and parts supplied come with a two-year guarantee. We are police and insurance approved, with a reputation supported by positive customer feedback. Honesty, reliability, courtesy and responsiveness remain central to everything we do.
Served areas
- Doncaster, Rotherham, Sheffield, Barnsley, Maltby, Thorne
Details
- Year established: 1999
- Employees: 1
- Licensed
- Insured
Highlights and features
- We have provided trusted local locksmith services since 1999.
- We offer free locksmith call-outs with no additional charges.
- Our DBS-checked locksmith is accredited, police and insurance approved.
- We guarantee all replacement locks and parts for two years.
- We provide same-day locksmith services throughout Doncaster and South Yorkshire.
- Our fully stocked van carries specialist tools and quality locks.
Associations and certifications
- Association of Accredited Locksmiths
Payment methods
- Cash, Checks, Debit cards, Mobile payments, Bank transfers
Services
UPVC Door Repairs
Our uPVC door repair service addresses worn locking mechanisms, broken handles, faulty cylinders and doors that have dropped out of alignment. Established in 1999, we focus on repairing existing installations rather than recommending unnecessary replacements. We carry specialist tools and replacement parts for efficient attendance. Every completed repair benefits from our two-year parts and labour guarantee.
Anti-Snap Locks
We provide professional anti-snap lock upgrades for homeowners seeking greater protection against forced entry. Our Ultion high-security cylinders achieve Sold Secure Diamond standards and feature safeguards against snapping, bumping, drilling and picking. Existing locks can be replaced without altering the appearance of the door. We also fit compatible PAS 24 handles for additional cylinder protection.
Composite Door Repairs
A composite door that becomes difficult to operate may have a faulty locking mechanism, damaged gearbox or alignment issue. We examine the symptoms and establish the cause before carrying out the necessary work. Our service includes replacing handles, adjusting hinges and repairing locks. We carry genuine components and aim to resolve problems on our first visit.
Patio Door Repairs
When patio doors become difficult to operate, our repair service provides practical solutions to common mechanical problems. We address failed cylinders, malfunctioning multipoint locks, damaged handles and doors affected by misalignment. Our experience enables us to assess whether existing components can be repaired or require replacement. We focus on restoring reliable operation while keeping expenditure reasonable.
Landlord Services
We provide comprehensive locksmith services for landlords and property managers, helping maintain security across residential and commercial rental properties. Our work includes lock replacements, uPVC door and window repairs, and assistance with evictions and repossessions. We offer emergency call-outs and burglary repairs, aiming for same-day completion. Clear estimates and regular communication help landlords manage costs effectively.
Commercial Locksmiths
Businesses requiring secure and practical locking arrangements can rely on our comprehensive locksmith services. We install mechanical and digital coded locks, allowing access without distributing numerous keys. Master key suites provide another convenient option, while restricted keyways help control duplication. We undertake commercial lock changes, emergency entry work and on-site key cutting, backed by extensive professional experience.
Lock Replacement
From traditional wooden door locks to modern uPVC multipoint systems, we undertake replacements and upgrades across numerous lock types. Our extensive stock includes night latches, anti-snap cylinders and mortice locks. We aim to resolve locking problems during our initial visit whenever possible. Customers receive a two-year guarantee covering replacement parts and associated labour.
People
Stephen Fretwell
Owner & Lead Locksmith
Stephen Fretwell has operated as a professional locksmith in Doncaster for over 25 years. His expertise covers residential and commercial security solutions, with specialist knowledge of modern locking systems. Stephen personally oversees all emergency call-outs and complex repairs, maintaining the company's commitment to quality and customer satisfaction.
Reviews (30)
Dawn Eastell
Sep 09, 2026
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Called for 2 door lock changing arrived with in 24hrs.
High quality keys.
High security locks
Friendly and quick
Took a matter of seconds to change the 2 doors.
Took Steve's business cards
Highly recommend
Great price.
3 keys per door.
High quality keys.
High security locks
Friendly and quick
Took a matter of seconds to change the 2 doors.
Took Steve's business cards
Highly recommend
Great price.
3 keys per door.
Kathryn Botten
Aug 24, 2026
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Upvc door wouldnt lock and was out of alignment. Stephen came the same day was efficient and friendly and had the issue fixed in no time.
Gill Beaumont
Jun 03, 2026
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A definite 5 stars from us, would give 6 if they were available!
Stephen took our call himself and visited our home promptly.
Great customer service, friendly manner and a wealth of experience.
Explained to us what the problem was with our uPVC/ composite external door. And also sorted a lock problem.
Fitted the quality products on the first visit and offered a range of solutions at different price points.
Good value for money.
Thank you Stephen,
Would recommend.
Stephen took our call himself and visited our home promptly.
Great customer service, friendly manner and a wealth of experience.
Explained to us what the problem was with our uPVC/ composite external door. And also sorted a lock problem.
Fitted the quality products on the first visit and offered a range of solutions at different price points.
Good value for money.
Thank you Stephen,
Would recommend.
Daniel Calland
May 30, 2026
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Have used them several times now, always prompt and gets the job sorted. This time we had a sticking door fixed and we have had new locks fitted in the past too
Brad Clifford
May 07, 2026
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Cant recommend Stephen enough, came out to me within a few hours to fix my completely broken door handle, replaced and adjusted with original key within an hour and for a perfectly reasonable price, will be using again for all future repairs! Thanks Stephen
Lee Thrower
Apr 09, 2026
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This morning our door broke we couldnt lock it all,I called Steve and he came out same day and replaced door mechanism what a lovely guy brilliant service at a reasonable price he couldnt do enough highly recommended by me
Susan Ann Andrew
May 10, 2025
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Extremely happy with the service. Stephen arrived promptly at the time agreed and immediately spotted the problem with our glazed porch door. Problem rectified and happy homeowners. Would have no hesitation in recommending and using him for any future problems on our property
Tony Sheppeck
Apr 20, 2025
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Its the second time I have used SF Locksmiths, again very quick response, excellent work, nice guy too.
Paul Raven
Mar 23, 2025
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Stephen is a master craftsman at what he does. He talks you through and explains what and why the mechanisms have failed. He is easy to communicate with and provides you with the confidence you need, considering much of his work is likely to be related to your security and safety.
Sandra Liddle
Feb 25, 2025
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Really quick and great advice. Came same day and fitted a new lock mechanism. No fuss. Really pleasant guy and did a great job at a good price. Definitely recommend and will use again if ever in need
Graham
Jan 22, 2025
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Quality repair of my front door locking system , carried out quickly and courteously. Would thoroughly recommend. Thanks
Steve Vickers
Dec 16, 2024
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Prompt and reliable service. Always shows up when he says he will. Steve is a careful worker and is very quick. Excellent service
L. C.
Dec 12, 2024
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Thank you Stephen for rearranging your schedule today to repair our front door lock mechanism. We have used Stephen previously and found him to be friendly and knowledgeable. Recommended and we would certainly use him again.
Lucy Smith
Dec 11, 2024
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Fantastic service came on a Sunday morning. Sorted both our front door and back door hassle free. Thank you
Matthew Andrews
Nov 28, 2024
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Brilliant job completed made the job cheaper than it should have been and did the job super quick highly recommend
Steve O'Mara
Nov 19, 2024
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I've used Steve a number of times and he has always provided a professional and first class service.
Joanne Brough
Nov 16, 2024
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Highly recommend , called 1st thing in the morning and my lock was changed at the time that was right for me . Would definitely use again .
Jon Moorcroft
Nov 06, 2024
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Was in a massive fix this morning when I couldn't lock my composite door. SF Locksmiths came out the same day, sorted the problem with minimum fuss for a reasonable price.
Highly recommended!
Highly recommended!
Hayley Atkinson
May 08, 2024
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Brilliant service. Very prompt arrival following an emergency and talked us through what the issue was. Would use again if an emergency was to happen
Thomas Roberts
Mar 16, 2024
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Took advantage of the Home Mover Lock Package offered by Stephen who replaced and upgraded the old locks on our front, back and patio doors for modern anti-snap locks. Stephen is very professional, very knowledgeable and offered great customer service. 2 years guarantee on the locks too. Brilliant.
Emma Banks
Jan 13, 2024
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Very accommodating,visited neighbour and I asked if he could change my locks on the spur of the moment and he said yes,even had the specific locks I asked for,I highly recommend x
Richard Bell
Jan 31, 2023
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Excellent service. All sorted within 2hrs of ringing. Would recommend to anyone who requires the service of a locksmith.
Robert Fenn
Apr 11, 2022
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Outstanding workmanship friendly and reliable goes the extra yard !!!
Recommend without hesitation .. 26th May
Recommend without hesitation .. 26th May
David Pickersgill
Mar 19, 2022
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Did a great job on my stuck brocken window, saved the hassle of buying a new window. Great communication and turned up on time at the agreed time. Will use again and recommend
David Benton
Oct 11, 2021
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Had an urgent job and he came to it within 15 minutes and sorted it. Better service than this you cannot ask for.
Ali H.
Mar 28, 2020
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Used SF Locksmith and was brilliant, fast and reliable. Would use again and definitely recommend. Thank you Stephen!